Professor Matthew Hornsey

Philpot, Catherine and Hornsey, Matthew (2009). What happens when groups say sorry? The effects of intergroup apologies for their recipients. Saarbrücken , Germany: VDM Verlag Dr. Müller.

Hornsey, Matthew J. (2024). The intergroup level: moral self- views. The Routledge international handbook of the psychology of morality. (pp. 291-300) edited by Naomi Ellemers, Stefano Pagliaro and Félice van Nunspeet. Abingdon, Oxon, United Kingdom: Routledge. doi: 10.4324/9781003125969-43

Gillespie, Nicole, Lockey, Steve, Hornsey, Matthew and Okimoto, Tyler (2021). Trust repair: a multilevel framework. Understanding trust in organizations: a multilevel perspective. (pp. 143-176) New York, NY., United States of America: Taylor and Francis. doi: 10.4324/9780429449185

Hornsey, Matthew J. and Jetten, Jolanda (2017). Stability and change within groups. The Oxford Handbook of Social Influence. (pp. 299-315) edited by Stephen G. Harkins, Kipling D. Williams and Jerry Burger. New York, NY, United States: Oxford University Press. doi: 10.1093/oxfordhb/9780199859870.013.10

Sutton, Robbie, Hornsey, Matthew J. and Douglas, Karen (2012). Feedback: conclusions. Feedback: The communication of praise, criticism and advice. (pp. 325-344) edited by Robbie Sutton, Matthew J. Horney and Karen M. Douglas. New York, NY, United States: Peter Lang.

Sutton, Robbie, Hornsey, Matthew J. and Douglas, Karen (2012). Feedback: an introduction. Feedback: the communication of praise, criticism and advice. (pp. 1-12) edited by Robbie Sutton, Matthew J. Horney and Karen M. Douglas. New York, NY, United States: Peter Lang.

Hornsey, Matthew J., Jeffries, Carla and Esposo, Sarah (2012). More science than art: understanding and reducing defensiveness in the face of criticism of groups and cultures. Feedback: The communication of praise, criticism and advice. (pp. 123-136) edited by Robbie M. Sutton, Matthew J. Hornsey and Karen M. Douglas. New York, NY, United States: Peter Lang.

Jetten, Jolanda and Hornsey, Matthew J. (2012). Conformity: revisiting Asch's line judgement studies. Social Psychology: revisiting the classic studies. (pp. 76-90) edited by Joanne R. Smith and S. Alexander Haslam. London, United Kingdom: Sage.

Morton, Thomas A., Hornsey, Matthew J. and Postmes, Tom (2012). Humanizing others without normalizing harm: the role of human concepts and categories in intergroup reconciliation and forgiveness. Restoring civil societies: the psychology of intervention and engagement following crisis. (pp. 156-174) edited by Kai J. Jonas and Thomas A. Morton. West Sussex, United Kingdom: Wiley - Blackwell Publishers. doi: 10.1002/9781118347683.ch9

Hornsey, Matthew J. and Jetten, Jolanda (2011). Impostors within groups: The psychology of claiming to be something you are not. Rebels in groups: Dissent, deviance, difference and defiance. (pp. 158-178) edited by Jolanda Jetten and Matthew J. Hornsey. Chichester, United Kingdom: Blackwell Publishing. doi: 10.1002/9781444390841.ch9

Jetten, Jolanda and Hornsey, Matthew J. (2011). The many faces of rebels. Rebels in groups: Dissent, deviance, difference and defiance. (pp. 1-13) edited by Jolanda Jetten and Matthew J. Hornsey. Chichester, United Kingdom: Wiley - Blackwell. doi: 10.1002/9781444390841.ch1

Jetten, Jolanda, Iyer, Aarti, Hutchison, Paul and Hornsey, Matthew J. (2011). Debating deviance: Responding to those who fall from grace. Rebels in groups: Dissent, deviance, difference and defiance. (pp. 117-134) edited by Jolanda Jetten and Matthew J. Hornsey. Chichester, United Kingdom: Wiley - Blackwell. doi: 10.1002/9781444390841.ch7

Abel, Lisa and Hornsey, Matthew (2010). Social identity and moral judgement: The impact of political affiliation on the evaluation of government policy. Personality and individual differences: Current directions. (pp. 113-122) edited by Richard Hicks. Bowen Hills, QLD, Australia: Australian Academic Press.

Hornsey, Matthew and Gallois, Cindy (2010). Commentary - Toward the development of interdisciplinary theory. Communication Yearbook 34. (pp. 133-139) edited by Charles T. Salmon. New York, U.S.A.: Routledge.

Hornsey, Matthew J. (2008). Kernel of Truth or Motivated Stereotype?: Interpreting and Responding to Negative Generalizations About Your Group. Stereotype Dynamics: Language-Based Approaches to the Formation, Maintenance, and Transformation of Stereotypes. (pp. 317-337) edited by Kashima, Yoshihisa, Fiedler, Klaus and Freytag, Peter. Mahwah, NJ: Lawrence Erlbaum Associates. doi: 10.4324/9780203809990-24

Hornsey, M J (2006). Ingroup critics and their influence on groups. Individuality and the Group: Advances in Social Identity. (pp. 74-91) edited by T. Postmes and J. Jetten. London: Sage Publications.

Hogg, M A and Hornsey, M J (2006). Self-concept threat and multiple categorization within groups. Multiple Social Categorization: Processes, Models and Applications. (pp. 112-135) edited by R.J. Crisp and M. Hewstone. East Sussex: Psychology Press. doi: 10.4324/9780203969229

Czarnek, Gabriela, Hornsey, Matthew J., Bucki, Szymon and Kossowska, Małgorzata (2025). As countries become more affluent, climate change attitudes are more politically polarised. Journal of Environmental Psychology, 103 102579, 102579. doi: 10.1016/j.jenvp.2025.102579

Chapman, Cassandra M., Hornsey, Matthew J., Bleiker, Roland and Hutchison, Emma (2025). Serving Three Masters: Thematic Analyses Reveal Inherent Ethical Tensions in Fundraising. Nonprofit and Voluntary Sector Quarterly. doi: 10.1177/08997640251323586

Hornsey, Matthew J., Fielding, Kelly S., Marshall, George and Louis, Winnifred R. (2025). Intergroup conflict over climate change: problems and solutions. European Journal of Social Psychology, 55 (2), 243-250. doi: 10.1002/ejsp.3127

Acevedo, Janquel D., Disney, Ava, Fielding, Kelly S., Amiot, Catherine E., Hornsey, Matthew J., Moghaddam, Fathali M., Thomas, Emma F., Sutherland, Stewart, Wibisono, Susilo and Louis, Winnifred R. (2025). Overcoming Climate Gridlock: Perspectives of Climate Leaders on How to Achieve Social Change During Persistent Failure in Australia. Journal of Community & Applied Social Psychology, 35 (2) e70073. doi: 10.1002/casp.70073

Chapman, Cassandra M., Spence, Jessica L., Hornsey, Matthew J. and Dixon, Lucas (2025). Social Identification and Charitable Giving: A Systematic Review and Meta-Analysis. Nonprofit and Voluntary Sector Quarterly. doi: 10.1177/08997640251317403

Manokara, Kunalan, Hornsey, Matthew J. and Jetten, Jolanda (2025). The elite global citizen: how wealth shapes cosmopolitan identity and charitable intentions. European Journal of Social Psychology, 55 (1), 99-118. doi: 10.1002/ejsp.3114

Hornsey, Matthew J., Tyson, Courtney, Ferris, Laura J., Crimston, Charlie R., Faulkner, Callum and Barlow, Fiona Kate (2025). The cosmic calendar: being reminded of the vastness of time can improve wellbeing. Journal of Positive Psychology, ahead-of-print (ahead-of-print), 1-12. doi: 10.1080/17439760.2025.2481039

Hatchman, Kate, Hornsey, Matthew J. and Barlow, Fiona Kate (2024). The vaccination divide: exploring moral reasoning associated with intergroup antipathy between vaccinated and unvaccinated people. British Journal of Health Psychology, 29 (4), 889-906. doi: 10.1111/bjhp.12736

Winter, Kevin, Hornsey, Matthew J., Pummerer, Lotte and Sassenberg, Kai (2024). Public agreement with misinformation about wind farms. Nature Communications, 15 (1) 8888, 1-12. doi: 10.1038/s41467-024-53278-2

Edwards, Martin R., Lipponen, Jukka, Kaltiainen, Janne and Hornsey, Matthew (2024). Do pre-merger loyalties help or hinder post-merger retention? A longitudinal study. British Journal of Management, 35 (4), 1746-1762. doi: 10.1111/1467-8551.12789

Hornsey, Matthew J. and Pearson, Samuel (2024). Perceptions of climate change threat across 121 nations: The role of individual and national wealth. Journal of Environmental Psychology, 96 102338, 1-6. doi: 10.1016/j.jenvp.2024.102338

Wilks, Matti, Crimston, Charlie R. and Hornsey, Matthew J. (2024). Meat and morality: the moral foundation of purity, but not harm, predicts attitudes toward cultured meat. Appetite, 197 107297. doi: 10.1016/j.appet.2024.107297

Pearson, Samuel, Hornsey, Matthew J., Rekker, Saphira, Wade, Belinda and Greig, Chris (2024). Publicly expressed climate scepticism is greatest in regions with high CO2 emissions. Climatic Change, 177 (5) 79. doi: 10.1007/s10584-024-03740-3

Bierwiaczonek, Kinga, Fluit, Sam, von Soest, Tilmann, Hornsey, Matthew J. and Kunst, Jonas R. (2024). Loneliness trajectories over three decades are associated with conspiracist worldviews in midlife. Nature Communications, 15 (1) 3629, 1-8. doi: 10.1038/s41467-024-47113-x

Ferris, Laura J., Hornsey, Matthew J., Morosoli, José J., Milfont, Taciano L. and Barlow, Fiona Kate (2024). A 30-nation investigation of lay heritability beliefs. Public Understanding of Science, 33 (8), 940-960. doi: 10.1177/09636625241245030

Hornsey, Matthew J., Chapman, Cassandra M., La Macchia, Stephen and Loakes, Jennifer (2024). Corporate apologies are effective because reform signals are weighted more heavily than culpability signals. Journal of Business Research, 177 114620. doi: 10.1016/j.jbusres.2024.114620

Spence, Jessica L., Hornsey, Matthew J., Stephenson, Eloise M. and Imuta, Kana (2024). Is your accent right for the job? A meta-analysis on accent bias in hiring decisions. Personality and Social Psychology Bulletin, 50 (3), 371-386. doi: 10.1177/01461672221130595

Rutjens, Bastiaan T. and Hornsey, Matthew J. (2024). The psychology of science rejection. Advances in Experimental Social Psychology, 71, 243-280. doi: 10.1016/bs.aesp.2024.10.002

Bingley, William J., Haslam, S. Alexander, Haslam, Catherine, Hornsey, Matthew J. and Mols, Frank (2023). Why a group-level analysis is essential for effective public policy: The case for a g-frame. Behavioral and Brain Sciences, 46 e148, 25-26. doi: 10.1017/s0140525x23000894

Spence, Jessica L., Neldner, Karri, Hornsey, Matthew J. and Imuta, Kana (2023). Children's judgments on the acceptability of prejudice. Child Development, 95 (1), 34-49. doi: 10.1111/cdev.13974

Dixon, Lucas J., Hornsey, Matthew J. and Hartley, Nicole (2023). “The secret” to success? The psychology of belief in manifestation. Personality and Social Psychology Bulletin, 51 (1), 1461672231181162-65. doi: 10.1177/01461672231181162

Chapman, Cassandra M., Hornsey, Matthew J., Fielding, Kelly S. and Gulliver, Robyn (2023). International media coverage promotes donations to a climate disaster. Disasters, 47 (3), 725-744. doi: 10.1111/disa.12557

Gillespie, Nicole, Anesa, Mattia, Lizzio-Wilson, Morgana, Chapman, Cassandra, Healy, Karen and Hornsey, Matthew (2023). How do sector level factors influence trust violations in not-for-profit organizations? A multilevel model. Journal of Business Ethics, 191 (2), 1-26. doi: 10.1007/s10551-023-05429-6

Dixon, Lucas J., Hornsey, Matthew J., Hartley, Nicole, Chapman, Cassandra M. and Brienza, Justin P. (2023). The psychology of attraction to multi‐level marketing. Journal of Consumer Affairs, 57 (3), 1213-1235. doi: 10.1111/joca.12526

Grossmann, Igor, Rotella, Amanda, Hutcherson, Cendri A., Sharpinskyi, Konstantyn, Varnum, Michael E. W., Achter, Sebastian, Dhami, Mandeep K., Guo, Xinqi Evie, Kara-Yakoubian, Mane, Mandel, David R., Raes, Louis, Tay, Louis, Vie, Aymeric, Wagner, Lisa, Adamkovic, Matus, Arami, Arash, Arriaga, Patrícia, Bandara, Kasun, Baník, Gabriel, Bartoš, František, Baskin, Ernest, Bergmeir, Christoph, Białek, Michał, Børsting, Caroline K., Browne, Dillon T., Caruso, Eugene M., Chen, Rong, Chie, Bin-Tzong, Chopik, William J. ... Wilkening, Tom (2023). Insights into the accuracy of social scientists’ forecasts of societal change. Nature Human Behaviour, 7 (4), 484-501. doi: 10.1038/s41562-022-01517-1

Sassenberg, Kai, Bertin, Paul, Douglas, Karen M. and Hornsey, Matthew J. (2023). Engaging with conspiracy theories: Causes and consequences. Journal of Experimental Social Psychology, 105 104425, 104425. doi: 10.1016/j.jesp.2022.104425

Hornsey, Matthew J., Bierwiaczonek, Kinga, Sassenberg, Kai and Douglas, Karen M. (2023). Individual, intergroup and nation-level influences on belief in conspiracy theories. Nature Reviews Psychology, 2 (2), 85-97. doi: 10.1038/s44159-022-00133-0

Harris, Emily A., Hornsey, Matthew J., Hofmann, Wilhelm, Jern, Patrick, Murphy, Sean C., Hedenborg, Fanny and Barlow, Fiona K. (2023). Does sexual desire fluctuate more among women than men?. Archives of Sexual Behavior, 52 (4), 1-18. doi: 10.1007/s10508-022-02525-y

Winter, Kevin, Hornsey, Matthew J., Pummerer, Lotte and Sassenberg, Kai (2022). Anticipating and defusing the role of conspiracy beliefs in shaping opposition to wind farms. Nature Energy, 7 (12), 1200-1207. doi: 10.1038/s41560-022-01164-w

Morrison, Tiffany H., Adger, W. Neil, Agrawal, Arun, Brown, Katrina, Hornsey, Matthew J., Hughes, Terry P., Jain, Meha, Lemos, Maria Carmen, McHugh, Lucy Holmes, O’Neill, Saffron and Van Berkel, Derek (2022). Radical interventions for climate-impacted systems. Nature Climate Change, 12 (12), 1100-1106. doi: 10.1038/s41558-022-01542-y

Hornsey, Matthew J. and Lewandowsky, Stephan (2022). A toolkit for understanding and addressing climate scepticism. Nature Human Behaviour, 6 (11), 1454-1464. doi: 10.1038/s41562-022-01463-y

Cabrera-Álvarez, Pablo, Hornsey, Matthew J. and Lobera, Josep (2022). Determinants of self-reported adherence to COVID-19 regulations in Spain: social norms, trust and risk perception. Health Promotion International, 37 (6) daac138, 1-9. doi: 10.1093/heapro/daac138

Chapman, Cassandra M., Hornsey, Matthew J., Gillespie, Nicole and Lockey, Steve (2022). Nonprofit scandals: A systematic review and conceptual framework. Nonprofit and Voluntary Sector Quarterly, 52 (1_suppl), 089976402211295-312S. doi: 10.1177/08997640221129541

Hornsey, Matthew J., Chapman, Cassandra M., Fielding, Kelly S., Louis, Winnifred R. and Pearson, Samuel (2022). A political experiment may have extracted Australia from the climate wars. Nature Climate Change, 12 (8), 695-696. doi: 10.1038/s41558-022-01431-4

Hornsey, Matthew J. (2022). Reasons why people may refuse COVID-19 vaccination (and what can be done about it). World Psychiatry, 21 (2), 217-218. doi: 10.1002/wps.20990

Hornsey, Matthew J. and Pearson, Samuel (2022). Cross-national differences in willingness to believe conspiracy theories. Current Opinion in Psychology, 47 101391, 1-6. doi: 10.1016/j.copsyc.2022.101391

Chapman, Cassandra M., Louis, Winnifred R., Masser, Barbara M., Hornsey, Matthew J. and Broccatelli, Chiara (2022). Give where you live: a social network analysis of charitable donations reveals localized prosociality. Journal of Consumer Behaviour, 21 (5), 1106-1120. doi: 10.1002/cb.2058

Hornsey, Matthew J., Chapman, Cassandra M. and Humphrey, Jacquelyn E. (2022). Climate skepticism decreases when the planet gets hotter and conservative support wanes. Global Environmental Change, 74 102492, 102492. doi: 10.1016/j.gloenvcha.2022.102492

Hornsey, Matthew J., Fielding, Kelly S., Harris, Emily A., Bain, Paul G., Grice, Tim and Chapman, Cassandra M. (2022). Protecting the planet or destroying the universe? Understanding reactions to space mining. Sustainability, 14 (7) 4119, 4119. doi: 10.3390/su14074119

Harris, Emily A., Milfont, Taciano L. and Hornsey, Matthew J. (2022). Belief in luck and precognition around the world. Journal of Cross-Cultural Psychology, 53 (9), 1033-1053. doi: 10.1177/00220221221110462

Chapman, Cassandra M., Hornsey, Matthew J., Mangan, Heidi, Gillespie, Nicole, La Macchia, Stephen and Lockey, Steven (2021). Comparing the effectiveness of post-scandal apologies from nonprofit and commercial organizations: an extension of the moral disillusionment model. Nonprofit and Voluntary Sector Quarterly, 51 (6), 089976402110626-1280. doi: 10.1177/08997640211062666

Hornsey, Matthew J (2021). The role of worldviews in shaping how people appraise climate change. Current Opinion in Behavioral Sciences, 42, 36-41. doi: 10.1016/j.cobeha.2021.02.021

Hornsey, Matthew J., Chapman, Cassandra M. and Oelrichs, Dexter M. (2021). Ripple effects: can information about the collective impact of individual actions boost perceived efficacy about climate change?. Journal of Experimental Social Psychology, 97 104217, 104217. doi: 10.1016/j.jesp.2021.104217

Rosenfeld, Daniel L., Balcetis, Emily, Bastian, Brock, Berkman, Elliot T., Bosson, Jennifer K., Brannon, Tiffany N., Burrow, Anthony L., Cameron, C. Daryl, Chen, Serena, Cook, Jonathan E., Crandall, Christian, Davidai, Shai, Dhont, Kristof, Eastwick, Paul W., Gaither, Sarah E., Gangestad, Steven W., Gilovich, Thomas, Gray, Kurt, Haines, Elizabeth L., Haselton, Martie G., Haslam, Nick, Hodson, Gordon, Hogg, Michael A., Hornsey, Matthew J., Huo, Yuen J., Joel, Samantha, Kachanoff, Frank J., Kraft-Todd, Gordon, Leary, Mark R. ... Tomiyama, A. Janet (2021). Psychological Science in the Wake of COVID-19: social, methodological, and metascientific considerations. Perspectives on Psychological Science, 17 (2) 1745691621999374, 1745691621999374-333. doi: 10.1177/1745691621999374

Hornsey, Matthew (2021). The psychology of the antivaccine movement. Biochemist, 43 (4), 52-54. doi: 10.1042/bio_2021_162

Winter, Kevin, Pummerer, Lotte, Hornsey, Matthew J. and Sassenberg, Kai (2021). Pro‐vaccination subjective norms moderate the relationship between conspiracy mentality and vaccination intentions. British Journal of Health Psychology, 27 (2) bjhp.12550, 1-16. doi: 10.1111/bjhp.12550

Tyson, Courtney, Hornsey, Matthew J. and Barlow, Fiona Kate (2021). What does it mean to feel small? Three dimensions of the small self. Self and Identity, 21 (4), 1-19. doi: 10.1080/15298868.2021.1921018

Chapman, Cassandra M., Hornsey, Matthew J. and Gillespie, Nicole (2021). To what extent is trust a prerequisite for charitable giving? A systematic review and meta-analysis. Nonprofit and Voluntary Sector Quarterly, 50 (6) 08997640211003250, 089976402110032-1303. doi: 10.1177/08997640211003250

Spence, Jessica L., Hornsey, Matthew J. and Imuta, Kana (2021). Something about the way you speak: a meta‐analysis on children’s linguistic‐based social preferences. Child Development, 92 (2), 517-535. doi: 10.1111/cdev.13548

Hornsey, Matthew J., Edwards, Martin, Lobera, Josep, Diaz-Catalan, Celia and Barlow, Fiona Kate (2021). Resolving the small-pockets problem helps clarify the role of education and political ideology in shaping vaccine scepticism. British Journal of Psychology, 112 (4), 992-1011. doi: 10.1111/bjop.12500

Hornsey, Matthew J., Chapman, Cassandra M. and Oelrichs, Dexter M. (2021). Why it is so hard to teach people they can make a difference: climate change efficacy as a non-analytic form of reasoning. Thinking and Reasoning, 28 (3), 1-19. doi: 10.1080/13546783.2021.1893222

Hornsey, Matthew J., Chapman, Cassandra M., Alvarez, Belen, Bentley, Sarah, Casara, Bruno Gabriel Salvador, Crimston, Charlie R., Ionescu, Octavia, Krug, Henning, Selvanathan, Hema Preya, Steffens, Niklas K. and Jetten, Jolanda (2021). To what extent are conspiracy theorists concerned for self versus others? A COVID‐19 test case. European Journal of Social Psychology, 51 (2) ejsp.2737, 285-293. doi: 10.1002/ejsp.2737

Lockey, Steven, Edwards, Martin R., Hornsey, Matthew J., Gillespie, Nicole, Akhlaghpour, Saeed and Colville, Shannon (2021). Profiling Adopters (and Non-adopters) of a Contact Tracing Mobile Application: Insights from Australia. International Journal of Medical Informatics, 149 104414, 1-7. doi: 10.1016/j.ijmedinf.2021.104414

Wilks, Matti, Hornsey, Matthew and Bloom, Paul (2021). What does it mean to say that cultured meat is unnatural?. Appetite, 156 104960, 104960. doi: 10.1016/j.appet.2020.104960

Hornsey, Matthew J. (2020). Why facts are not enough: understanding and managing the motivated rejection of science. Current Directions in Psychological Science, 29 (6), 583-591. doi: 10.1177/0963721420969364

Zander, Lysann, Höhne, Elisabeth, Harms, Sophie, Pfost, Maximilian and Hornsey, Matthew J. (2020). When Grades Are High but Self-Efficacy Is Low: Unpacking the Confidence Gap Between Girls and Boys in Mathematics. Frontiers in Psychology, 11 552355, 1-14. doi: 10.3389/fpsyg.2020.552355

Chapman, Cassandra M., Hornsey, Matthew J. and Gillespie, Nicole (2020). No global crisis of trust: a longitudinal and multinational examination of public trust in nonprofits. Nonprofit and Voluntary Sector Quarterly, 50 (2), 089976402096222-457. doi: 10.1177/0899764020962221

Hornsey, Matthew J., Lobera, Josep and Díaz-Catalán, Celia (2020). Vaccine hesitancy is strongly associated with distrust of conventional medicine, and only weakly associated with trust in alternative medicine. Social Science and Medicine, 255 113019, 113019. doi: 10.1016/j.socscimed.2020.113019

Lizzio-Wilson, Morgana, Masser, Barbara M., Hornsey, Matthew J. and Iyer, Aarti (2020). You’re making us all look bad: sexism moderates women’s experience of collective threat and intra-gender hostility toward traditional and non-traditional female subtypes. Group Processes and Intergroup Relations, 24 (8), 1486-1514. doi: 10.1177/1368430220913610

Hornsey, Matthew J., Finlayson, Matthew, Chatwood, Gabrielle and Begeny, Christopher T. (2020). Donald Trump and vaccination: the effect of political identity, conspiracist ideation and presidential tweets on vaccine hesitancy. Journal of Experimental Social Psychology, 88 103947, 103947. doi: 10.1016/j.jesp.2019.103947

Thai, Michael, Lee, Anthony J., Axt, Jordan R., Hornsey, Matthew J. and Barlow, Fiona Kate (2020). Discrepancies in East Asians’ perceived actual and ideal phenotypic facial features. Asian American Journal of Psychology, 11 (3), 117-125. doi: 10.1037/aap0000181

Hornsey, Matthew J., Chapman, Cassandra M., Mangan, Heidi, La Macchia, Stephen and Gillespie, Nicole (2020). The moral disillusionment model of organizational transgressions: ethical transgressions trigger more negative reactions from consumers when committed by nonprofits. Journal of Business Ethics, 172 (4), 653-671. doi: 10.1007/s10551-020-04492-7

Hornsey, Matthew J. (2020). Flux in scepticism raises hopes. Nature Climate Change, 10 (4), 274-275. doi: 10.1038/s41558-020-0721-4

Thai, Michael, Szeszeran, Nicholas A., Hornsey, Matthew J. and Barlow, Fiona Kate (2020). Forever foreign? Asian Australians assimilating to Australian culture are still perceived as less Australian than White Australians. Social Psychological and Personality Science, 11 (6), 194855061987990-820. doi: 10.1177/1948550619879907

Fielding, Kelly S., Hornsey, Matthew J., Thai, Ha Anh and Toh, Li Li (2020). Using ingroup messengers and ingroup values to promote climate change policy. Climatic Change, 158 (2), 181-199. doi: 10.1007/s10584-019-02561-z

Harris, Emily A., Hornsey, Matthew J., Larsen, Hannah F. and Barlow, Fiona Kate (2019). Beliefs about gender predict faking orgasm in heterosexual women. Archives of Sexual Behavior, 48 (8), 2419-2433. doi: 10.1007/s10508-019-01510-2

Moreton, Sam G., Arena, Andrew, Hornsey, Matthew, Crimston, Charlie and Tiliopoulos, Niko (2019). Elevating nature: moral elevation increases feelings of connectedness to nature. Journal of Environmental Psychology, 65 101332, 101332. doi: 10.1016/j.jenvp.2019.101332

Hornsey, Matthew J., Wohl, Michael J. A., Harris, Emily A., Okimoto, Tyler G., Thai, Michael and Wenzel, Michael (2019). Embodied remorse: physical displays of remorse increase positive responses to public apologies, but have negligible effects on forgiveness. Journal of Personality and Social Psychology, 119 (2), 367-389. doi: 10.1037/pspi0000208

Hornsey, Matthew J. and Fielding, Kelly S. (2019). Understanding (and reducing) inaction on climate change. Social Issues and Policy Review, 14 (1) sipr.12058, 3-35. doi: 10.1111/sipr.12058

Ferris, Laura J., Jetten, Jolanda, Hornsey, Matthew J. and Bastian, Brock (2019). Feeling hurt: revisiting the relationship between social and physical pain. Review of General Psychology, 23 (3), 320-335. doi: 10.1177/1089268019857936

Wilks, Matti, Phillips, Clive J.C., Fielding, Kelly and Hornsey, Matthew J. (2019). Testing potential psychological predictors of attitudes towards cultured meat. Appetite, 136, 137-145. doi: 10.1016/j.appet.2019.01.027

Barlow, Fiona Kate, Hornsey, Matthew J., Hayward, Lydia E., Houkamau, Carla A., Kang, Jemima, Milojev, Petar and Sibley, Chris G. (2019). Why do we hold mixed emotions about racial out-groups? A case for affect matching. Psychological Science, 30 (6), 917-929. doi: 10.1177/0956797619844269

Cruwys, Tegan, Steffens, Niklas K., Haslam, S. Alexander, Haslam, Catherine, Hornsey, Matthew J., McGarty, Craig and Skorich, Daniel P. (2019). Predictors of social identification in group therapy. Psychotherapy Research, 30 (3), 1-14. doi: 10.1080/10503307.2019.1587193

Okimoto, Tyler G., Hornsey, Matthew J. and Wenzel, Michael (2019). The power of grassroots expressions of remorse for promoting intergroup forgiveness. Journal of Experimental Social Psychology, 80, 39-51. doi: 10.1016/j.jesp.2018.10.003

Crimston, Charlie and Hornsey, Matthew J. (2018). Extreme self-sacrifice beyond fusion: moral expansiveness and the special case of allyship. Behavioral and Brain Sciences, 41 e198, e198. doi: 10.1017/S0140525X18001620

Crimston, Charlie R., Hornsey, Matthew J., Bain, Paul G. and Bastian, Brock (2018). Moral expansiveness short form: validity and reliability of the MESx. PLoS ONE, 13 (10) e0205373, e0205373. doi: 10.1371/journal.pone.0205373

Hornsey, Matthew J. and Fielding, Kelly S. (2018). Not all motivated rejection of science is unconscious: reply to Tryon (2018). The American psychologist, 73 (5), 687-688. doi: 10.1037/amp0000335

Hornsey, Matthew J., Greenaway, Katharine H., Harris, Emily A. and Bain, Paul G. (2018). Exploring cultural differences in the extent to which people perceive and desire control. Personality and Social Psychology Bulletin, 45 (1), 014616721878069-92. doi: 10.1177/0146167218780692

Hornsey, Matthew J., Bain, Paul G., Harris, Emily A., Lebedeva, Nadezhda, Kashima, Emiko S., Guan, Yanjun, González, Roberto, Chen, Sylvia Xiaohua and Blumen, Sheyla (2018). How much is enough in a perfect world? Cultural variation in ideal levels of happiness, pleasure, freedom, health, self-esteem, longevity, and intelligence. Psychological Science, 29 (9), 1393-1404. doi: 10.1177/0956797618768058

Radke, Helena R. M., Hornsey, Matthew J., Sibley, Chris G. and Barlow, Fiona Kate (2018). Negotiating the hierarchy: social dominance orientation among women is associated with the endorsement of benevolent sexism. Australian Journal of Psychology, 70 (2), 158-166. doi: 10.1111/ajpy.12176

Hornsey, Matthew J., Harris, Emily A. and Fielding, Kelly S. (2018). Relationships among conspiratorial beliefs, conservatism and climate scepticism across nations. Nature Climate Change, 8 (7), 614-620. doi: 10.1038/s41558-018-0157-2

Hornsey, Matthew J., Faulkner, Callum, Crimston, Daniel and Moreton, Sam (2018). A microscopic dot on a microscopic dot: self-esteem buffers the negative effects of exposure to the enormity of the universe. Journal of Experimental Social Psychology, 76, 198-207. doi: 10.1016/j.jesp.2018.02.009

Hornsey, Matthew J., Harris, Emily A. and Fielding, Kelly S. (2018). The psychological roots of anti-vaccination attitudes: a 24-nation investigation. Health Psychology, 37 (4), 307-315. doi: 10.1037/hea0000586

Crimston, Charlie R., Hornsey, Matthew J., Bain, Paul G. and Bastian, Brock (2018). Toward a psychology of moral expansiveness. Current Directions in Psychological Science, 27 (1), 14-19. doi: 10.1177/0963721417730888

Radke, Helena R. M., Hornsey, Matthew J. and Barlow, Fiona Kate (2018). Changing versus protecting the status quo: why men and women engage in different types of action on behalf of women. Sex Roles, 79 (9-10), 505-518. doi: 10.1007/s11199-017-0884-2

Radke, Helena R. M., Hornsey, Matthew J., Sibley, Chris G., Thai, Michael and Barlow, Fiona Kate (2017). Is the racial composition of your surroundings associated with your levels of social dominance orientation?. PloS One, 12 (10) e0186612, 1-16. doi: 10.1371/journal.pone.0186612

De Vaus, June, Hornsey, Matthew J., Kuppens, Peter and Bastian, Brock (2017). Exploring the East-West Divide in Prevalence of Affective Disorder: A Case for Cultural Differences in Coping With Negative Emotion. Personality and Social Psychology Review, 22 (3), 285-304. doi: 10.1177/1088868317736222

Hayward, Lydia E., Tropp, Linda R., Hornsey, Matthew J. and Barlow, Fiona Kate (2017). How negative contact and positive contact with Whites predict collective action among racial and ethnic minorities. British Journal of Social Psychology, 57 (1), 1-20. doi: 10.1111/bjso.12220

Hayward, Lydia E., Hornsey, Matthew J. , Tropp, Linda R. and Barlow, Fiona Kate (2017). Positive and negative intergroup contact predict Black and White Americans' judgments about police violence against Black Americans. Journal of Applied Social Psychology, 47 (11), 605-615. doi: 10.1111/jasp.12463

Hornsey, Matthew J. and Fielding, Kelly S. (2017). Attitude roots and jiu jitsu persuasion: understanding and overcoming the motivated rejection of science. American Psychologist, 72 (5), 459-473. doi: 10.1037/a0040437

Wenzel, Michael, Okimoto, Tyler G., Hornsey, Matthew J., Lawrence-Wood, Ellie and Coughlin, Anne-Marie (2017). The mandate of the collective: apology representativeness determines perceived sincerity and forgiveness in intergroup contexts. Personality and Social Psychology Bulletin, 43 (6), 758-771. doi: 10.1177/0146167217697093

Wenzel, Michael, Lawrence-Wood, Ellie, Okimoto, Tyler G. and Hornsey, Matthew J. (2017). A long time coming: delays in collective apologies and their effects on sincerity and forgiveness. Political Psychology, 39 (3), 649-666. doi: 10.1111/pops.12421

Hayward, Lydia E., Tropp, Linda R., Hornsey, Matthew J. and Barlow, Fiona Kate (2017). Toward a comprehensive understanding of intergroup contact: descriptions and mediators of positive and negative contact among majority and minority groups. Personality and Social Psychology Bulletin, 43 (3), 347-364. doi: 10.1177/0146167216685291

Hornsey, Matthew J., Okimoto, Tyler G. and Wenzel, Michael (2017). The appraisal gap: why victim and transgressor groups disagree on the need for a collective apology. European Journal of Social Psychology, 47 (2), 135-147. doi: 10.1002/ejsp.2279

Hornsey, Matthew J., Schumann, Karina, Bain, Paul G., Blumen, Sheyla, Chen, Sylvia X., Gomez, Angel, Gonzalez, Roberto, Guan, Yanjun, Kashima, Emiko, Lebedeva, Nadezhda and Wohl, Michael J. A. (2017). Conservatives Are More Reluctant to Give and Receive Apologies Than Liberals. Social Psychological and Personality Science, 8 (7), 827-835. doi: 10.1177/1948550617691096

Radke, Helena R. M., Hornsey, Matthew J. and Barlow, Fiona Kate (2016). Barriers to women engaging in collective action to overcome sexism. American Psychologist, 71 (9), 863-874. doi: 10.1037/a0040345

Harris, Emily Ann, Hornsey, Michael J. and Barlow, Fiona Kate (2016). On the link between benevolent sexism and orgasm frequency in heterosexual women. Archives of Sexual Behavior, 45 (8), 1923-1931. doi: 10.1007/s10508-016-0780-9

Hornsey, Matthew J. (2016). Dissent and deviance in intergroup contexts. Current Opinion in Psychology, 11, 1-5. doi: 10.1016/j.copsyc.2016.03.006

La Macchia, Stephen T., Louis, Winnifred R., Hornsey, Matthew J. and Leonardelli, Geoffrey J. (2016). In small we trust: lay theories about small and large groups. Personality and Social Psychology Bulletin, 42 (10), 1321-1334. doi: 10.1177/0146167216657360

Hornsey, Matthew J., Fielding, Kelly S., McStay, Ryan, Reser, Joseph P. and Bradley, Graham L. (2016). Are people high in skepticism about anthropogenic climate change necessarily resistant to influence? Some cause for optimism. Environment and Behavior, 48 (7), 905-928. doi: 10.1177/0013916515574085

Hornsey, Matthew J. and Fielding, Kelly S. (2016). A cautionary note about messages of hope: focusing on progress in reducing carbon emissions weakens mitigation motivation. Global Environmental Change, 39, 26-34. doi: 10.1016/j.gloenvcha.2016.04.003

Hornsey, Matthew J., Harris, Emily A., Bain, Paul G. and Fielding, Kelly S. (2016). Meta-analyses of the determinants and outcomes of belief in climate change. Nature Climate Change, 6 (6), 622-626. doi: 10.1038/nclimate2943

Hornsey, Matthew J. (2016). Collective apologies are good at regulating transgressors' emotions, but for victim group members the story is not so clear. Psychological Inquiry, 27 (2), 101-105. doi: 10.1080/1047840X.2016.1160759

Minto, Kiara, Hornsey, Matthew J., Gillespie, Nicole, Healy, Karen and Jetten, Jolanda (2016). A social identity approach to understanding responses to child sexual abuse allegations. PLoS One, 11 (4) e0153205, e0153205. doi: 10.1371/journal.pone.0153205

Thai, Michael, Hornsey, Matthew J. and Barlow, Fiona Kate (2016). Friends with moral credentials: minority friendships reduce attributions of racism for majority group members who make conceivably racist statements. Social Psychological and Personality Science, 7 (3), 272-280. doi: 10.1177/1948550615624140

Fielding, Kelly S. and Hornsey, Matthew J. (2016). A social identity analysis of climate change and environmental attitudes and behaviors: insights and opportunities. Frontiers in Psychology, 7 (121) 00121, 1-12. doi: 10.3389/fpsyg.2016.00121

Crimston, Charlie R., Bain, Paul G., Hornsey, Matthew J. and Bastian, Brock (2016). Moral expansiveness: Examining variability in the extension of the moral world. Journal of Personality and Social Psychology, 111 (4), 1-18. doi: 10.1037/pspp0000086

La Macchia, Stephen T., Louis, Winnifred R., Hornsey, Matthew J., Thai, Michael and Barlow, Fiona Kate (2016). The Whitewashing Effect: Using racial contact to signal trustworthiness and competence. Personality and Social Psychology Bulletin, 42 (1), 118-129. doi: 10.1177/0146167215616801

Hornsey, Matthew J. and Jetten, Jolanda (2016). Beyond old dichotomies: individual differentiation can occur through group commitment, not despite it. Behavioral and Brain Sciences, 39 (e154) e154. doi: 10.1017/S0140525X15001429

Berndsen, Mariëtte, Hornsey, Matthew J. and Wohl, Michael J. A. (2015). The impact of a victim-focused apology on forgiveness in an intergroup context. Group Processes and Intergroup Relations, 18 (5), 726-739. doi: 10.1177/1368430215586275

Barlow, Fiona Kate, Thai, Michael, Wohl, Michael J. A., White, Sarah, Wright, Marie-Ann and Hornsey, Matthew J. (2015). Perpetrator groups can enhance their moral self-image by accepting their own intergroup apologies. Journal of Experimental Social Psychology, 60, 39-50. doi: 10.1016/j.jesp.2015.05.001

Okimoto, Tyler G., Wenzel, Michael and Hornsey, Matthew J. (2015). Apologies demanded yet devalued: normative dilution in the age of apology. Journal of Experimental Social Psychology, 60, 133-136. doi: 10.1016/j.jesp.2015.05.008

Hornsey, Matthew J., Wellauer, Richard, McIntyre, Jason C. and Barlow, Fiona Kate (2015). A critical test of the assumption that men prefer conformist women and women prefer nonconformist men. Personality and Social Psychology Bulletin, 41 (6), 755-768. doi: 10.1177/0146167215577366

Hornsey, Matthew J., Fielding, Kelly S., McStay, Ryan, Reser, Joseph P., Bradley, Graham L. and Greenaway, Katharine H. (2015). Evidence for motivated control: understanding the paradoxical link between threat and efficacy beliefs about climate change. Journal of Environmental Psychology, 42, 57-65. doi: 10.1016/j.jenvp.2015.02.003

Wohl, Michael J. A., Cohen-Chen, Smadar, Halperin, Eran, Caouette, Julie, Hayes, Nicole and Hornsey, Matthew J. (2015). Belief in the malleability of groups strengthens the tenuous link between a collective apology and intergroup forgiveness. Personality and Social Psychology Bulletin, 41 (5), 714-725. doi: 10.1177/0146167215576721

Techakesari, Pirathat, Barlow, Fiona Kate, Hornsey, Matthew J, Sung, Billy, Thai, Michael and Chak, Jocelyn L. Y (2015). An Investigation of Positive and Negative Contact As Predictors of Intergroup Attitudes in the United States, Hong Kong, and Thailand. Journal of Cross-Cultural Psychology, 46 (3), 454-468. doi: 10.1177/0022022115570313

Hornsey, Matthew J., Wohl, Michael J. A. and Philpot, Catherine R. (2015). Collective Apologies and Their Effects on Forgiveness: Pessimistic Evidence but Constructive Implications. Australian Psychologist, 50 (2), 106-114. doi: 10.1111/ap.12087

Jetten, Jolanda and Hornsey, Matthew J. (2015). The Line between conformity and resistance. Psychologist, 28 (1), 72-74.

Greenaway, Katharine H., Storrs, Katherine R., Philipp, Michael C., Louis, Winnifred R., Hornsey, Matthew J. and Vohs, Kathleen D. (2015). Loss of control stimulates approach motivation. Journal of Experimental Social Psychology, 56, 235-241. doi: 10.1016/j.jesp.2014.10.009

Alperin, Anandi, Hornsey, Matthew J., Hayward, Lydia E., Diedrichs, Phillippa C. and Barlow, Fiona Kate (2014). Applying the contact hypothesis to anti-fat attitudes: contact with overweight people is related to how we interact with our bodies and those of others. Social Science and Medicine, 123, 37-44. doi: 10.1016/j.socscimed.2014.10.051

Bastian, Brock, Jetten, Jolanda, Hornsey, Matthew J. and Leknes, Sri (2014). The positive consequences of pain: a biopsychosocial approach. Personality and Social Psychology Review, 18 (3), 256-279. doi: 10.1177/1088868314527831

Fielding, Kelly S., Hornsey, Matthew J. and Swim, Janet K. (2014). Developing a social psychology of climate change. European Journal of Social Psychology, 44 (5), 413-420. doi: 10.1002/ejsp.2058

Iyer, Aarti, Webster, Joanna, Hornsey, Matthew J. and Vanman, Eric J. (2014). Understanding the power of the picture: the effect of image content on emotional and political responses to terrorism. Journal of Applied Social Psychology, 44 (7), 511-521. doi: 10.1111/jasp.12243

Swann Jr., William B., Buhrmester, Michael D., Gomez, Angel, Jetten, Jolanda, Bastian, Brock, Vazquez, Alexandra, Ariyanto, Amarina, Besta, Tomasz, Christ, Oliver, Cui, Lijuan, Finchilescu, Gillian, Gonzalez, Roberto, Goto, Nobuhiko, Hornsey, Matthew, Sharma, Sushama, Susianto, Harry and Zhang, Airong (2014). What makes a group worth dying for? Identity fusion fosters perception of familial ties, promoting self-sacrifice. Journal of Personality and Social Psychology, 106 (6), 912-926. doi: 10.1037/a0036089

Iyer, Aarti, Hornsey, Matthew J., Vanman, Eric J., Esposo, Sarah and Ale, Shalini (2014). Fight and flight: evidence of aggressive capitulation in the face of fear messages from terrorists. Political Psychology, 36 (6), 631-648. doi: 10.1111/pops.12182

Spoor, Jennifer R., Jetten, Jolanda and Hornsey, Matthew J. (2014). Overplaying the diversity card: when a superordinate group overrepresents the prevalence of a minority group. Group Processes and Intergroup Relations, 17 (2), 161-177. doi: 10.1177/1368430213497063

Cruwys, Tegan, Haslam, S. Alexander, Dingle, Genevieve A., Jetten, Jolanda, Hornsey, Matthew J., Chong, E. M. Desdemona and Oei, Tian P. S. (2014). Feeling connected again: interventions that increase social identification reduce depression symptoms in community and clinical settings. Journal of Affective Disorders, 159, 139-146. doi: 10.1016/j.jad.2014.02.019

Goto, Nobuhiko, Jetten, Jolanda, Karasawa, Minoru and Hornsey, Matthew J. (2014). The sins of their fathers: when current generations are held to account for the transgressions of previous generations. Political Psychology, 36 (4), 479-487. doi: 10.1111/pops.12172

Cruwys, Tegan, Dingle, Genevieve A., Hornsey, Matthew J., Jetten, Jolanda, Oei, Tian P. S. and Walter, Zoe C. (2014). Social isolation schema responds to positive social experiences: longitudinal evidence from vulnerable populations. British Journal of Clinical Psychology, 53 (3), 265-280. doi: 10.1111/bjc.12042

Thai, Michael, Barlow, Fiona Kate and Hornsey, Matthew J. (2014). (Deviant) friends with benefits the impact of group boundary permeability on minority group members’ responses to ethnic deviance. Social Psychological and Personality Science, 5 (3), 360-368. doi: 10.1177/1948550613499939

Knight, Clinton G., Tobin, Stephanie J. and Hornsey, Matthew J. (2014). From fighting the system to embracing it: control loss promotes system justification among those high in psychological reactance. Journal of Experimental Social Psychology, 54, 139-146. doi: 10.1016/j.jesp.2014.04.012

Jetten, Jolanda and Hornsey, Matthew J. (2014). Deviance and dissent in groups. Annual Review of Psychology, 65, 461-485. doi: 10.1146/annurev-psych-010213-115151

Bastian, Brock, Jetten, Jolanda and Hornsey, Matthew J. (2014). Gustatory pleasure and pain. The offset of acute physical pain enhances responsiveness to taste. Appetite, 72, 150-155. doi: 10.1016/j.appet.2013.10.011

Barlow, Fiona Kate, Hornsey, Matthew J., Thai, Michael, Sengupta, Nikhil K. and Sibley, Chris G. (2013). The wallpaper effect: the contact hypothesis fails for minority group members who live in areas with a high proportion of majority group members. PloS One, 8 (12) e82228, 2152-2178. doi: 10.1371/journal.pone.0082228

Greenaway, Katharine H., Louis, Winnifred R., Hornsey, Matthew J. and Jones, Janelle M. (2013). Perceived control qualifies the effects of threat on prejudice. British Journal of Social Psychology, 53 (3), 422-442. doi: 10.1111/bjso.12049

Greenaway, Katharine H., Louis, Winnifred R. and Hornsey, Matthew J. (2013). Loss of Control Increases Belief in Precognition and Belief in Precognition Increases Control. PLoS ONE, 8 (8) e71327, e71327.1-e71327.5. doi: 10.1371/journal.pone.0071327

Esposo, Sarah R., Hornsey, Matthew J. and Spoor, Jennifer R. (2013). Shooting the messenger: outsiders critical of your group are rejected regardless of argument quality. British Journal of Social Psychology, 52 (2), 386-395. doi: 10.1111/bjso.12024

Bain, Paul G., Hornsey, Matthew J., Bongiorno, Renata, Kashima, Yoshihisa and Crimston, Charlie R. (2013). Collective futures: how projections about the future of society are related to actions and attitudes supporting social change. Personality and Social Psychology Bulletin, 39 (4), 523-539. doi: 10.1177/0146167213478200

Hornsey, Matthew J. and Wohl, Michael J. A. (2013). We are sorry: intergroup apologies and their tenuous link with intergroup forgiveness. European Review of Social Psychology, 24 (1), 1-31. doi: 10.1080/10463283.2013.822206

Jeffries, Carla H. and Hornsey, Matthew J. (2012). Withholding negative feedback: is it about protecting the self or protecting others?. British Journal of Social Psychology, 51 (4), 772-780. doi: 10.1111/j.2044-8309.2012.02098.x

Barlow, Fiona Kate, Paolini, Stefania, Pedersen, Anne, Hornsey, Matthew J., Radke, Helena R. M., Harwood, Jake, Rubin, Mark and Sibley, Chris G. (2012). The contact caveat: negative contact predicts increased prejudice more than positive contact predicts reduced prejudice. Personality and Social Psychology Bulletin, 38 (12), 1629-1643. doi: 10.1177/0146167212457953

Fisk, Kylie, Cherney, Adrian, Hornsey, Matthew and Smith, Andrew (2012). Using computer-aided content analysis to map a research domain: a case study of institutional legitimacy in postconflict East Timor. Sage Open, 2 (4), 1-15. doi: 10.1177/2158244012467788

Bain, Paul G., Hornsey, Matthew J., Bongiorno, Renata and Jeffries, Carla (2012). Promoting pro-environmental action in climate change deniers. Nature Climate Change, 2 (8), 600-603. doi: 10.1038/NCLIMATE1532

Jeffries, Carla H., Hornsey, Matthew J., Sutton, Robbie M., Douglas, Karen M. and Bain, Paul G. (2012). The David and Goliath principle: Cultural, ideological, and attitudinal underpinnings of the normative protection of low-status groups from criticism. Personality and Social Psychology Bulletin, 38 (8), 1053-1065. doi: 10.1177/0146167212444454

Barlow, Fiona Kate, Sibley, Chris G. and Hornsey, Matthew J. (2012). Rejection as a call to arms: Interracial hostility and support for political action as outcomes of race-based rejection in majority and minority groups. British Journal of Social Psychology, 51 (1), 167-177. doi: 10.1111/j.2044-8309.2011.02040.x

Hornsey, Matthew J., Olsen, Sara, Barlow, Fiona Kate and Oei, Tian P. S. (2012). Testing a single-item visual analogue scale as a proxy for cohesiveness in group psychotherapy. Group Dynamics, 16 (1), 80-90. doi: 10.1037/a0024545

Wohl, Michael J. A., Hornsey, Matthew J. and Bennett, Shannon H. (2012). Why group apologies succeed and fail: intergroup forgiveness and the role of primary and secondary emotions. Journal of Personality and Social Psychology, 102 (2), 306-322. doi: 10.1037/a0024838

Bastian, Brock, Kuppens, Peter, Hornsey, Matthew J., Park, Joonha, Koval, Peter and Uchida, Yukiko (2012). Feeling bad about being sad: the role of social expectancies in ampllifying negative mood. Emotion, 12 (1), 69-80. doi: 10.1037/a0024755

Wohl, Michael J. A., Hornsey, Matthew J. and Philpot, Catherine R. (2011). A critical review of official public apologies: Aims, pitfalls, and a staircase model of effectiveness. Social Issues and Policy Review, 5 (1), 70-100. doi: 10.1111/j.1751-2409.2011.01026.x

Harth, Nicole Syringa, Hornsey, Matthew J. and Barlow, Fiona Kate (2011). Emotional responses to rejection of gestures of intergroup reconciliation. Personality and Social Psychology Bulletin, 37 (6), 815-829. doi: 10.1177/0146167211400617

Philpot, Catherine R. and Hornsey, Matthew J. (2011). Memory for intergroup apologies and its relationship with forgiveness. European Journal of Social Psychology, 41 (1), 96-106. doi: 10.1002/ejsp.741

Dwyer, Lynndall A., Hornsey, Matthew J., Smith, Laura G. E., Oei, Tian P. S. and Dingle, Genevieve A. (2011). Participant autonomy in cognitive behavioral therapy: An integration of self-determination and cognitive behavioral theories. Journal of Social and Clinical Psychology, 30 (1), 24-46. doi: 10.1521/jscp.2011.30.1.24

Hiew, Danika N. and Hornsey, Matthew J. (2010). Does time reduce resistance to out-group critics? An investigation of the persistence of the intergroup sensitivity effect over time. British Journal of Social Psychology, 49 (3), 569-581. doi: 10.1348/014466609X473938

Jetten, J, Hornsey, MJ, Spears, R, Haslam, SA and Cowell, E (2010). Rule transgressions in groups: The conditional nature of newcomers' willingness to confront deviance. European Journal of Social Psychology, 40 (2), 338-348. doi: 10.1002/ejsp.627

Ariyanto, Amarina, Hornsey, Matthew J. and Gallois, Cindy (2010). United we stand: Intergroup conflict moderates the intergroup sensitivity effect. European Journal of Social Psychology, 40 (1), 169-177. doi: 10.1002/ejsp.628

Amiot, Catherine E. and Hornsey, Matthew J. (2010). Collective self-esteem contingency and its role in predicting intergroup bias. Self and Identity, 9 (1), 62-86. doi: 10.1080/15298860802605895

Ariyanto, Amarina, Hornsey, Matthew J. and Gallois, Cindy (2009). Intergroup attribution bias in the context of extreme intergroup conflict. Asian Journal of Social Psychology, 12 (4), 293-299. doi: 10.1111/j.1467-839X.2009.01292.x

Chan, Marc K. H., Louis, Winnifred R. and Hornsey, Matthew J. (2009). The Effects of Exclusion and Reintegration on the Evaluation of Deviant Opinion Holders. Personality and Social Psychology Bulletin, 35 (12), 1619-1631. doi: 10.1177/0146167209346972

Hornsey, Matthew J. and Esposo, Sarah (2009). Resistance to Group Criticism and Recommendations for Change: Lessons Learned from the Intergroup Sensitivity Effect. Social and Personality Psychology Compass, 3 (3), 275-291. doi: 10.1111/j.1751-9004.2009.00178.x

Hornsey, Matthew J., Dwyer, Lynndall, Oei, Tian P.S. and Dingle, Genevieve A. (2009). Group Processes and Outcomes in Group Psychotherapy: Is It Time to Let Go of "Cohesiveness"?. International Journal of Group Psychotherapy, 59 (2), 267-278. doi: 10.1521/ijgp.2009.59.2.267

Morton, Thomas A., Postmes, Tom, Haslam, S. Alexander and Hornsey, Matthew J. (2009). Theorizing Gender in the Face of Social Change: Is There Anything Essential About Essentialism?. Journal of Personality and Social Psychology, 96 (3), 653-664. doi: 10.1037/a0012966

Morton, Thomas A., Hornsey, Matthew J. and Postmes, Tom (2009). Shifting ground: The variable use of essentialism in contexts of inclusion and exclusion. British Journal of Social Psychology, 48 (1), 35-59. doi: 10.1348/014466607X270287

Restubog, Simon Lloyd D., Hornsey, Matthew J., Bordia, Prashant and Esposo, Sarah R. (2008). Effects of psychological contract breach on organizational citizenship behaviour: Insights from the group value model. Journal of Management Studies, 45 (8), 1377-1400. doi: 10.1111/j.1467-6486.2008.00792.x

Philpot, Catherine R. and Hornsey, Matthew J. (2008). What happens when groups say sorry: The effect of intergroup apologies on their recipients. Personality and Social Psychology Bulletin, 34 (4), 474-487. doi: 10.1177/0146167207311283

Ariyanto, Amarina, Hornsey, Matthew J., Morton, Thomas A. and Gallois, Cindy (2008). Media bias during extreme intergroup conflict: The naming bias in reports of religious violence in Indonesia. Asian Journal of Communication, 18 (1), 16-31. doi: 10.1080/01292980701823740

Hornsey, Matthew J., Gallois, Cindy and Duck, Julie M. (2008). The intersection of communication and social psychology: Points of contact and points of difference. Journal of Communication, 58 (4), 749-766. doi: 10.1111/j.1460-2466.2008.00412.x

Hornsey, Matthew J., Robson, Erin, Smith, Joanne, Esposo, Sarah and Sutton, Robbie M. (2008). Sugaring the Pill: Assessing Rhetorical Strategies Designed to Minimize Defensive Reactions to Group Criticism. Human Communication Research, 34 (1), 70-98. doi: 10.1111/j.1468-2958.2007.00314.x

Hornsey, Matthew J. (2008). Social Identity Theory and Self-categorization Theory: A Historical Review. Social and Personality Psychology Compass, 2 (1), 204-222. doi: 10.1111/j.1751-9004.2007.00066.x

Hornsey, M. J., Grice, T., Jetten, J., Paulsen, N. and Callan, V. (2007). Group-directed criticisms and recommendations for change: Why newcomers arouse more resistance than old-timers. Personality And Social Psychology Bulletin, 33 (7), 1036-1048. doi: 10.1177/0146167207301029

Ariyanto, Amarina, Hornsey, Matthew J. and Gallois, Cynthia (2007). Group allegiances and perceptions of media bias: Taking into account both the perceiver and the source. Group Processes and Intergroup Relations, 10 (2), 266-279. doi: 10.1177/1368430207074733

Spry, C. and Hornsey, M. J. (2007). The influence of blind and constructive patriotism on attitudes toward multiculturalism and immigration. Australian Journal of Psychology, 59 (3), 151-158. doi: 10.1080/00049530701449489

Hornsey, Matthew J., Smith, Joanne R. and Begg, Danielle I. (2007). Effects of norms among those with moral conviction: Counter-conformity emerges on intentions but not behaviors. Social Influence, 2 (4), 244-268. doi: 10.1080/15534510701476500

Hornsey, M. J., Frederiks, E., Smith, J. R. and Ford, L. C. (2007). Strategic defensiveness: Public and private responses to group criticism. British Journal of Social Psychology, 46 (4), 697-716. doi: 10.1348/014466606X170315

Hornsey, MJ, Dwyer, L and Oei, TPS (2007). Beyond cohesiveness : Reconceptualizing the link between group processes and outcomes in group psychotherapy. Small Group Research, 38 (5), 567-592. doi: 10.1177/1046496407304336

Warner, Ruth, Hornsey, Matthew J. and Jetten, Jolanda (2007). Why minority group members resent impostors. European Journal of Social Psychology, 37 (1), 1-17. doi: 10.1002/ejsp.332

Brander, Thierry V. and Hornsey, Matthew J. (2006). Intergroup sensitivity effect and the war in Iraq: A case of attitudes and intentions diverging. Australian Journal of Psychology, 58 (3), 166-172. doi: 10.1080/00049530600940265

Jetten, J., McAuliffe, B. J., Hornsey, M. J. and Hogg, M. A. (2006). Differentiation between and within groups: The influence of individualist and collectivist group norms. European Journal of Social Psychology, 36 (6), 825-843. doi: 10.1002/ejsp.322

Hornsey, Matthew J., Blackwood, Leda, Louis, Winnifred Louis, Fielding, Kelly, Mavor, Ken, Morton, Thomas, O'Brien, Anne, Paasonen, Karl-Erik, Smith, Joanne and White, Katherine M. (2006). Why do people engage in collective action? Revisiting the role of perceived effectiveness. Journal of Applied Social Psychology, 36 (7), 1701-1722. doi: 10.1111/j.0021-9029.2006.00077.x

Jetten, Jolanda, Hornsey, Matthew J. and Adarves-Yorno, Inmaculada (2006). When group members admit to being conformist: The role of relative intragroup status in conformity self-reports. Personality And Social Psychology Bulletin, 32 (2), 162-173. doi: 10.1177/0146167205279904

Hornsey, Matthew J., Jetten, Jolanda, McAuliffe, Brendan J. and Hogg, Michael, A. (2006). The impact of individualist and collectivist group norms on evaluations of dissenting group members. Journal of Experimental Social Psychology, 42 (1), 57-68. doi: 10.1016/j.jesp.2005.01.006

Ariyanto, A., Hornsey, M. J. and Gallois, C. (2006). Group-directed criticism in Indonesia: Role of message source and audience. Asian Journal of Social Psychology, 9 (2), 96-102. doi: 10.1111/j.1467-839X.2006.00186.x

Hornsey, M. J. (2005). Why being right is not enough: Predicting defensiveness in the face of group criticism. European Review of Social Psychology, 16 (9), 301-334. doi: 10.1080/10463280500436040

Hornsey, M. J. and Jetten, J. (2005). Loyalty without Conformity: Tailoring Self-perception as a Means of Balancing Belonging and Differentiation. Self and Identity, 4 (1), 81-95. doi: 10.1080/13576500444000236

Jetten, Jolanda, Summerville, Natasha, Hornsey, Mathew, J. and Mewse, Avril, J. (2005). When differences matter: Intergroup distinctiveness and the evaluation of impostors. European Journal of Social Psychology, 35 (5), 609-620. doi: 10.1002/ejsp.282

Hornsey, M. J., Blackwood, L. and O'Brien, A. (2005). Speaking for others: The pros and cons of group advocates using collective language. Group Processes & Intergroup Relations, 8 (3), 245-257. doi: 10.1177/1368430205053941

Hornsey, M. J., De Bruijn, P., Creed, J., Allen, J., Ariyanto, A. and Svensson, A. (2005). Keeping it in-house: How audience affects responses to group criticism. European Journal of Social Psychology, 35 (3), 291-312. doi: 10.1002/ejsp.246

Hornsey, M. J., Terry, D. J. and McKimmie, B. A. (2004). Willingness to speak out about gay law reform: Some cause for optimism. Journal of Homosexuality, 47 (2), 47-61. doi: 10.1300/J082v47n02_03

Hornsey, Matthew J. and Jetten, Jolanda (2004). The individual within the group: Balancing the need to belong with the need to be different. Personality and Social Psychology Review, 8 (3), 248-264. doi: 10.1207/s15327957pspr0803_2

Hornsey, Matthew J., Trembath, Mark and Gunthorpe, Sasha (2004). 'You can criticize because you care': Identity attachment, constructiveness, and the intergroup sensitivity effect. European Journal of Social Psychology, 34 (5), 499-518. doi: 10.1002/ejsp.212

Hornsey, M. J. and Imani, A. (2004). Criticizing groups from the inside and the outside: An identity perspective on the intergroup sensitivity effect. Personality and Social Psychology Bulletin, 30 (3), 365-383. doi: 10.1177/0146167203261295

Hornsey, Matthew J. and Jetten, Jolanda (2003). Not being what you claim to be: impostors as sources of group threat. European Journal of Social Psychology, 33 (5), 639-657. doi: 10.1002/ejsp.176

McAuliffe, Brendan J., Jetten, Jolanda, Hornsey, Matthew J. and Hogg, Michael A. (2003). Individualist and collectivist norms: when it's ok to go your own way. European Journal of Social Psychology, 33 (1), 57-70. doi: 10.1002/ejsp.129

Hornsey, M. J., Majkut, L., Terry, D. J. and Mc Kimmie, B. (2003). On being loud and proud: Non-conformity and counter-conformity to group norms. British Journal of Social Psychology, 42 (3), 319-335. doi: 10.1348/014466603322438189

Hornsey, MJ (2003). Linking superiority bias in the interpersonal and intergroup domains. Journal of Social Psychology, 143 (4), 479-491. doi: 10.1080/00224540309598457

Hornsey, MJ, van Leeuwen, E and Van Santen, W (2003). Dragging down and dragging up: How relative group status affects responses to common fate. Group Dynamics-theory Research And Practice, 7 (4), 275-288. doi: 10.1037/1089-2699.7.4.275

Hornsey, Matthew J., Spears, Russell, Cremers, Iris and Hogg, Michael A. (2003). Relations between high and low power groups: The importance of legitimacy. Personality And Social Psychology Bulletin, 29 (2), 216-227. doi: 10.1177/0146167202239047

Hornsey, MJ and Hogg, MA (2002). The effects of status on subgroup relations. British Journal of Social Psychology, 41 (2), 203-218. doi: 10.1348/014466602760060200

Hornsey, M. J., Oppes, T. and Svensson, A. (2002). "It's OK if we say it, but you can't": responses to intergroup and intragroup criticism. European Journal of Social Psychology, 32 (3), 293-307. doi: 10.1002/ejsp.90

Hornsey, Matthew J. and Hogg, Michael A. (2000). Subgroup relations: A comparison of mutual intergroup differentiation and common ingroup identity models of prejudice reduction. Personality and Social Psychology Bulletin, 26 (2), 242-256. doi: 10.1177/0146167200264010

Hornsey, MJ and Hogg, MA (2000). Intergroup similarity and subgroup relations: Some implications for assimilation. Personality and Social Psychology Bulletin, 26 (8), 948-958. doi: 10.1177/01461672002610005

Hornsey, MJ and Hogg, MA (2000). Assimilation and diversity: An integrative model of subgroup relations. Personality and Social Psychology Review, 4 (2), 143-156. doi: 10.1207/S15327957PSPR0402_03

Hornsey, MJ and Hogg, MA (1999). Subgroup differentiation as a response to an overly-inclusive group: A test of optimal distinctiveness theory. European Journal of Social Psychology, 29 (4), 543-550. doi: 10.1002/(SICI)1099-0992(199906)29:4<543::AID-EJSP945>3.0.CO;2-A

Hornsey, M. and Gallois, C. (1998). The impact of interpersonal and intergroup communication accommodation on perceptions of Chinese students in Australia. Journal of Language And Social Psychology, 17 (3), 323-347. doi: 10.1177/0261927X9801700303

Chien, P. Monica, Hornsey, Matthew, Nagatomo, Jun and Pappu, Ravi (2021). Understanding intergroup conflicts between residents and tourists. Japan Society for Tourism Studies Annual Conference, Kyoto, Japan, 3-4 July 2021.

Vanman, EJ, Iyer, A, Henrion, M, Witowski, P, Berndt, SL, Greenaway, KH and Hornsey, MJ (2010). Images of terrorism: The emotional impact of viewing scenes of the aftermath. 50th Annual Meeting of the Society for Psychophysiological Research, Portland, OR, U.S.A., 29 September-3 October, 2010. Malden, MA, U.S.A.: Blackwell Publishing. doi: 10.1111/j.1469-8986.2010.01111.x

Philpot, C. R. and Hornsey, M. J. (2009). Memory for intergroup apologies and forgiveness. 38th Annual Meeting of the Society of Australasian Social Psychologists, Melbourne, VIC, Australia, 16-19 April 2009.

Philpot, C. R., Hornsey, M. J. and Wohl, M. (2009). Apologies between groups: The view from both sides. 17th Brisbane Symposium on Social Identity, Brisbane, QLD, Australia, July 2009. ERA -unavailable: ERA -unavailable.

Hornsey, Matthew J. and Philpot, Catherine R. (2008). What happens when groups say sorry: The effect of intergroup apologies on forgiveness and reconciliation. Positive Behaviour between Social Groups, Oppurg, Germany, 19-23 June, 2008.

Philpot, C. R. and Hornsey, M. J. (2008). Is intergroup apology the first step to forgivness?. The 12th Biennial Conference of the International Society for Justice Research (ISJR), Adelaide, Australia, 14-17 August, 2008. America: International Society for Justice Research (ISJR).

Philpot, C. R. and Hornsey, M. J. (2007). Intergroup Apologies and Forgiveness after Intergroup Injustice. 36th Annual Conference of the Society of Australasian Social Psychologists, Sofitel Hotel, Brisbane, Qld., 12-15 April 2007. Brisbane, Qld.: Society of Australasian Social Psychologists (SASP).

Philpot, C. and Hornsey, M.J. (2006). Intergroup apologisers: Remorseful but unforgiven. The 14th Brisbane Symposium on Social Identity, Custom's House, Brisbane, 12 August, 2006. London: Taylor and Francis. doi: 10.1080/00049530600940018

Hornsey, M., Frederiks, E. and Smith, J. (2006). Pretending to be more defensive than you are: Public and private responses to group criticism. 35th Annual Meeting of the Society of Australasian Social Psychologists (SASP), Canberra, 20th - 23rd April, 2006. London: Taylor and Francis. doi: 10.1080/00049530600940015

Hornsey, M. J. (2005). Overcoming the intergroup sensitivity effect: It's a matter of trust. the 34th Annual Conference of the Society for Australasian Social Psychologists, James Cook University, Townsville QLD, 7-10 April 2005. Melbourne: Australian Journal of Psychology.

Hornsey, M.J. (2004). 'You can criticise because you care': How attributions affect responses to ingroup and outgroup critics. 39th Conference of The Australian Psychological Society, Sydney, Australia, 29 September - 3 October, 2004. Basingstoke, U.K.: Routledge (Taylor & Francis Group).

Hornsey, M (2004). You can criticise because you care: Attributions and responses to ingroup critics. 33rd Annual Meeting of the Society of Australasian Social Psychologists, Auckland, New Zealand, 15-18 April, 2004. Basingstoke, U.K.: Taylor & Francis.

Philpot, C. R. and Hornsey, M. J. (2004). Intergroup forgiveness: Does an official apology help?. 33rd Annual Meeting of the Society of Australian Social Psychologists, Auckland, New Zealand, 15-18 April 2004. Oxford, United Kingdom: John Wiley & Sons.

Hornsey, M., Trembath, M. and Gunthorpe, S. (2003). 'You can criticise because you care': Identification, constructiveness, and the intergroup sensitivity effect. 32nd Annual Meeting of the Society for Australasian Social Psycholpgists, Sydney, Australia, 24-27 April, 2003. Basingstoke, U.K.: Taylor and Francis.

Hornsey, M. J. (2002). Criticising groups from the inside and the outside: A social identity perspective on the intergroup sensitivity effect. 8th Annual Meeting of the Society of Australasian Social Psychologists, Adelaide, 25-28 April 2002. Australia: Australian Psychological Society.

Hornsey, M. J. and Jetten, J. (2001). Loyalty without conformity: Balancing the need to belong and the need to be different. Seventh Annual Meeting of the Society of Australasian Social Psychologists, Melbourme, July 12-15, 2001. Basingstoke, UK: Taylor & Francis.

Mcauliffe, B. J., Jetten, J., Hogg, M. A. and Hornsey, M. J. (2001). Individualist group norms: When it's OK to go your own way. The Seventh Annual meeting of the Society of Australasian Social Psychologists, Melbourne, Victoria, 12-15 July 2001. Carlton South, Victoria: The Australian Psychological Society Ltd.

Hornsey, M. J. and Oppes, T. (2000). It's OK if we say it, but you can't: Responses to intragroup and intergroup critisism. 5th Annual Meeting of the Society of Australasian Social Psychologists, Fremantle, 27-30 April 2000. Melbourne: Australian Psychological Society.

Philpot, Catherine and Hornsey, Matthew (2006). Asking Forgiveness for the Sins of Many: Does it Work? (Brochure contribution). American Psychological Association (APA).

Cherney, Adrian, Fisk, Kylie, Hornsey, Matthew and Smith, Andrew (2010). Rebuilding institutional legitimacy in post-conflict societies: An Afghanistan case study – Phase 1A. Air Force Office of Scientific Research and the Asian Office of Aerospace Research and Development.

Fisk, Kylie, Cherney, Adrian, Hornsey, Matthew and Smith, Andrew (2009). Rebuilding institutional legitimacy in post-conflict societies: an Asia Pacific case study, Phase 1A. Brisbane QLD, Australia: Air Force Office of Scientific Research (AFOSR) Asian Office of Aerospace Research and Development (AOARD) University of Queensland.

Professor Matthew Hornsey

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