World's Best Scientists 2026 revealed!
Matthew J. Hornsey

Matthew J. Hornsey

D-Index & Metrics

Psychology

D-Index
74
Citations
23396
World Ranking
1866
National Ranking
93

Matthew J. Hornsey publication distribution in Psychology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Psychology in 2026. The highlighted bar marks where Matthew J. Hornsey sits on this spectrum.

31–40 publications: 6 scientists 41–50 publications: 52 scientists 51–60 publications: 138 scientists 61–70 publications: 299 scientists 71–80 publications: 461 scientists 81–90 publications: 605 scientists 91–100 publications: 713 scientists 101–110 publications: 736 scientists 111–120 publications: 686 scientists 121–130 publications: 670 scientists 131–140 publications: 644 scientists 141–150 publications: 597 scientists 151–160 publications: 576 scientists 161–170 publications: 477 scientists 171–180 publications: 450 scientists 181–190 publications: 397 scientists 191–200 publications: 343 scientists 201–210 publications: 328 scientists 211–220 publications: 313 scientists 221–230 publications: 283 scientists 231–240 publications: 226 scientists 241–250 publications: 196 scientists 251–260 publications: 201 scientists 261–270 publications: 171 scientists 271–280 publications: 151 scientists 281–290 publications: 139 scientists 291–300 publications: 113 scientists 301–310 publications: 102 scientists 311–320 publications: 100 scientists 321–330 publications: 76 scientists 331–340 publications: 92 scientists 341–350 publications: 85 scientists 351–360 publications: 69 scientists 361–370 publications: 71 scientists 371–380 publications: 63 scientists 381–390 publications: 58 scientists 391–400 publications: 57 scientists 401–410 publications: 43 scientists 411–420 publications: 33 scientists 421–430 publications: 50 scientists 431–440 publications: 41 scientists 441–450 publications: 32 scientists 451–460 publications: 27 scientists 461–470 publications: 28 scientists 471–480 publications: 25 scientists 481–490 publications: 28 scientists 491–500 publications: 20 scientists 501–510 publications: 23 scientists 511–520 publications: 26 scientists 521–530 publications: 17 scientists 531–540 publications: 21 scientists 541–550 publications: 14 scientists 551–560 publications: 16 scientists 561–570 publications: 10 scientists 571–580 publications: 22 scientists 581–590 publications: 9 scientists 591–600 publications: 14 scientists 601–610 publications: 9 scientists 611–620 publications: 11 scientists 621–630 publications: 4 scientists 631–640 publications: 7 scientists 641–650 publications: 5 scientists 651–660 publications: 10 scientists 661–670 publications: 8 scientists 671–680 publications: 8 scientists 681–690 publications: 4 scientists 691–700 publications: 3 scientists 701–704 publications: 4 scientists 705+ publications: 100 scientists
31 publications 705+

This scientist: 242 publications — 79th percentile

79% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 705 publications or more.

Matthew J. Hornsey D-index placement in Psychology in 2026

The chart shows the D-index (discipline H-index) distribution of Psychology scientists ranked by Research.com in 2026. The highlighted bar marks where Matthew J. Hornsey sits on this spectrum.

30–31 D-Index: 398 scientists 32–33 D-Index: 702 scientists 34–35 D-Index: 671 scientists 36–37 D-Index: 659 scientists 38–39 D-Index: 641 scientists 40–41 D-Index: 671 scientists 42–43 D-Index: 617 scientists 44–45 D-Index: 558 scientists 46–47 D-Index: 495 scientists 48–49 D-Index: 487 scientists 50–51 D-Index: 445 scientists 52–53 D-Index: 390 scientists 54–55 D-Index: 408 scientists 56–57 D-Index: 345 scientists 58–59 D-Index: 325 scientists 60–61 D-Index: 321 scientists 62–63 D-Index: 248 scientists 64–65 D-Index: 290 scientists 66–67 D-Index: 218 scientists 68–69 D-Index: 219 scientists 70–71 D-Index: 215 scientists 72–73 D-Index: 183 scientists 74–75 D-Index: 169 scientists 76–77 D-Index: 132 scientists 78–79 D-Index: 137 scientists 80–81 D-Index: 120 scientists 82–83 D-Index: 112 scientists 84–85 D-Index: 86 scientists 86–87 D-Index: 101 scientists 88–89 D-Index: 83 scientists 90–91 D-Index: 77 scientists 92–93 D-Index: 70 scientists 94–95 D-Index: 78 scientists 96–97 D-Index: 58 scientists 98–99 D-Index: 53 scientists 100–101 D-Index: 57 scientists 102–103 D-Index: 48 scientists 104–105 D-Index: 53 scientists 106–107 D-Index: 46 scientists 108–109 D-Index: 24 scientists 110–111 D-Index: 35 scientists 112–113 D-Index: 27 scientists 114–115 D-Index: 32 scientists 116–117 D-Index: 31 scientists 118–119 D-Index: 22 scientists 120–121 D-Index: 16 scientists 122–123 D-Index: 24 scientists 124–125 D-Index: 18 scientists 126–127 D-Index: 11 scientists 128–129 D-Index: 19 scientists 130–131 D-Index: 10 scientists 132–133 D-Index: 16 scientists 134–135 D-Index: 10 scientists 136–137 D-Index: 12 scientists 138–139 D-Index: 8 scientists 140–141 D-Index: 5 scientists 142–143 D-Index: 12 scientists 144+ D-Index: 98 scientists
30 D-Index 144+

This scientist: 74 D-Index — 84th percentile

84% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 144 D-Index or more.

Overview

Matthew J. Hornsey is a researcher affiliated with the University of Queensland in Australia. Their primary field of study is Social Sciences, with a focus on Sociology and Political Science, Social Psychology, Cognitive Neuroscience, Management, Monitoring, Policy and Law, and Health.

Their research overview includes work on topics such as misinformation and its impacts, climate change communication and perception, psychology of moral and emotional judgment, environmental education and sustainability, social and intergroup psychology, the nonprofit sector and volunteering, and vaccine coverage and hesitancy.

Some of the notable recent papers authored by Matthew J. Hornsey are:

  • Donald Trump and vaccination: The effect of political identity, conspiracist ideation and presidential tweets on vaccine hesitancy (2020) - Journal of Experimental Social Psychology
  • Vaccine hesitancy is strongly associated with distrust of conventional medicine, and only weakly associated with trust in alternative medicine (2020) - Social Science & Medicine
  • Why Facts Are Not Enough: Understanding and Managing the Motivated Rejection of Science (2020) - Current Directions in Psychological Science
  • To what extent are conspiracy theorists concerned for self versus others? A COVID-19 test case (2021) - European Journal of Social Psychology
  • Radical interventions for climate-impacted systems (2022) - Nature Climate Change

Frequent collaborators in their research include:

  • Cassandra M. Chapman
  • Samuel Pearson
  • Kai Sassenberg
  • Fiona Kate Barlow
  • Nicole Gillespie

Matthew J. Hornsey's publications are often found in the following venues:

  • Nonprofit and Voluntary Sector Quarterly (6 publications)
  • Nature Climate Change (5 publications)
  • Journal of Environmental Psychology (5 publications)
  • European Journal of Social Psychology (4 publications)
  • Journal of Experimental Social Psychology (3 publications)

Best Publications

  • Social Identity Theory and Self‐categorization Theory: A Historical Review

    Matthew J. Hornsey

  • Meta-analyses of the determinants and outcomes of belief in climate change

    Matthew J. Hornsey;Emily A. Harris;Paul G. Bain;Kelly S. Fielding

  • Assimilation and Diversity: An Integrative Model of Subgroup Relations:

    Matthew J. Hornsey;Michael A. Hogg

  • The Contact Caveat Negative Contact Predicts Increased Prejudice More Than Positive Contact Predicts Reduced Prejudice

    Fiona Kate Barlow;Stefania Paolini;Anne Pedersen;Matthew J. Hornsey

  • The psychological roots of anti-vaccination attitudes: A 24-nation investigation.

    Matthew J. Hornsey;Emily A. Harris;Kelly S. Fielding

  • The Individual Within the Group: Balancing the Need to Belong With the Need to Be Different

    Matthew J. Hornsey;Jolanda Jetten

  • Subgroup Relations: A Comparison of Mutual Intergroup Differentiation and Common Ingroup Identity Models of Prejudice Reduction

    Matthew J. Hornsey;Michael A. Hogg

  • A Social Identity Analysis of Climate Change and Environmental Attitudes and Behaviors: Insights and Opportunities.

    Kelly Shanene Fielding;Matthew J Hornsey

  • Promoting pro-environmental action in climate change deniers

    Paul G. Bain;Matthew J. Hornsey;Renata Bongiorno;Carla Jeffries

  • Relationships among conspiratorial beliefs, conservatism and climate scepticism across nations

    Matthew J. Hornsey;Emily A. Harris;Kelly S. Fielding

  • Effects of Psychological Contract Breach on Organizational Citizenship Behaviour: Insights from the Group Value Model

    Simon Lloyd D. Restubog;Matthew J. Hornsey;Prashant Bordia;Sarah R. Esposo

  • Why Do People Engage in Collective Action? Revisiting the Role of Perceived Effectiveness

    Matthew J. Hornsey;Leda Blackwood;Winnifred Louis Louis;Kelly Fielding

  • Attitude roots and Jiu Jitsu persuasion: Understanding and overcoming the motivated rejection of science.

    Matthew J. Hornsey;Kelly S. Fielding

  • Criticizing Groups from the Inside and the Outside: An Identity Perspective on the Intergroup Sensitivity Effect

    Matthew J. Hornsey;Armin Imani

  • Deviance and Dissent in Groups

    Jolanda Jetten;Matthew J. Hornsey

  • What makes a group worth dying for? Identity fusion fosters perception of familial ties, promoting self-sacrifice.

    William B. Swann;Michael D. Buhrmester;Angel Gómez;Jolanda Jetten

  • Moral expansiveness: Examining variability in the extension of the moral world.

    Daniel Crimston;Paul G Bain;Matthew J Hornsey;Brock Bastian

  • On being loud and proud: non-conformity and counter-conformity to group norms.

    Matthew J. Hornsey;Louise K. Majkut;Deborah J. Terry;Blake M. McKimmie

  • “It's OK if we say it, but you can't”: responses to intergroup and intragroup criticism

    Matthew J. Hornsey;Tina Oppes;Alicia Svensson

  • Feeling connected again: Interventions that increase social identification reduce depression symptoms in community and clinical settings

    Tegan Cruwys;S. Alexander Haslam;Genevieve A. Dingle;Jolanda Jetten

  • Theorizing Gender in the Face of Social Change: Is There Anything Essential About Essentialism?

    Thomas A. Morton;Tom Postmes;S. Alexander Haslam;Matthew J. Hornsey

Frequent Co-Authors

Fiona Kate Barlow
Fiona Kate Barlow University of Queensland
Jolanda Jetten
Jolanda Jetten University of Queensland
Kelly S. Fielding
Kelly S. Fielding University of Queensland
Michael J. A. Wohl
Michael J. A. Wohl Carleton University
Paul G. Bain
Paul G. Bain University of Bath
Winnifred R. Louis
Winnifred R. Louis University of Queensland
Katharine H. Greenaway
Katharine H. Greenaway University of Melbourne
Michael A. Hogg
Michael A. Hogg Claremont Graduate University
Brock Bastian
Brock Bastian University of Melbourne
Cindy Gallois
Cindy Gallois University of Queensland

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