World's Best Scientists 2026 revealed!

D-Index & Metrics

Psychology

D-Index
55
Citations
24034
World Ranking
4293
National Ranking
2390

Peter H. Ditto 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 Peter H. Ditto 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: 134 publications — 40th percentile

40% of scientists in this discipline score the same or lower.

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

Peter H. Ditto 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 Peter H. Ditto 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: 55 D-Index — 63rd percentile

63% of scientists in this discipline score the same or lower.

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

Overview

Peter H. Ditto is affiliated with the University of California, Irvine in the United States. Their primary field of study centers on Social Sciences, with a particular focus on subfields such as Sociology and Political Science, Cognitive Neuroscience, Political Science and International Relations, Management, Monitoring, Policy and Law, and Education.

The scientist's research work spans various key topics, including:

  • Psychology of Moral and Emotional Judgment
  • Misinformation and Its Impacts
  • Climate Change Communication and Perception
  • Environmental Education and Sustainability
  • Social and Intergroup Psychology
  • Media Influence and Health
  • Social Media and Politics

Peter H. Ditto has published extensively across several venues, frequently contributing to:

  • Journal of Personality and Social Psychology
  • Journal of Social and Political Psychology
  • Arabixiv (OSF Preprints)
  • Science
  • Journal of Environmental Psychology

Recent significant publications include the paper titled Political sectarianism in America (2020) published in Science, Influencing climate change attitudes in the United States: A systematic review and meta-analysis (2021) in the Journal of Environmental Psychology, and Prosocial motives underlie scientific censorship by scientists: A perspective and research agenda (2023) in the Proceedings of the National Academy of Sciences. Other notable works are Political differences in free will belief are associated with differences in moralization. (2020) published in the Journal of Personality and Social Psychology and Nevertheless, partisanship persisted: fake news warnings help briefly, but bias returns with time (2021) in Cognitive Research Principles and Implications.

Among frequent coauthors who have collaborated multiple times with Peter H. Ditto are Jared Celniker, Jacob B. Rode, Daniel P. Relihan, Elizabeth F. Loftus, and Azim Shariff.

Best Publications

  • Moral Foundations Theory: The Pragmatic Validity of Moral Pluralism

    Jesse Graham;Jonathan Haidt;Sena Koleva;Matt Motyl

  • Mapping the Moral Domain

    Jesse Graham;Brian A. Nosek;Jonathan Haidt;Ravi Iyer

  • Motivated Skepticism: Use of Differential Decision Criteria for Preferred and Nonpreferred Conclusions

    Peter H. Ditto;David F. Lopez

  • Moral Foundations Theory: The Pragmatic Validity of Moral Pluralism

    Jesse Graham;Jonathan Haidt;Sena Koleva;Sena Koleva;Sena Koleva;Matt Motyl

  • Tracing the threads: How five moral concerns (especially Purity) help explain culture war attitudes

    Spassena P. Koleva;Jesse Graham;Ravi Iyer;Peter H. Ditto

  • Understanding Libertarian Morality: The Psychological Dispositions of Self-Identified Libertarians

    Ravi Iyer;Spassena Koleva;Jesse Graham;Peter Ditto

  • Political sectarianism in America

    Eli J. Finkel;Christopher A. Bail;Mina Cikara;Peter H. Ditto

  • Motivated sensitivity to preference-inconsistent information.

    Peter H. Ditto;James A. Scepansky;Geoffrey D. Munro;Anne Marie Apanovitch

  • At Least Bias Is Bipartisan: A Meta-Analytic Comparison of Partisan Bias in Liberals and Conservatives.

    Peter H. Ditto;Brittany S. Liu;Cory J. Clark;Sean P. Wojcik

  • Advance Directives as Acts of Communication A Randomized Controlled Trial

    Peter Ditto;Joseph Danks;William Smucker;J. Bookwala

  • Biased Assimilation, Attitude Polarization, and Affect in Reactions to Stereotype-Relevant Scientific Information

    Geoffrey D. Munro;Peter H. Ditto

  • The motivated use of moral principles

    Eric Luis Uhlmann;David A. Pizarro;David Tannenbaum;Peter H. Ditto

  • Judging health status: effects of perceived prevalence and personal relevance.

    John B. Jemmott;Peter H. Ditto;Robert T. Croyle

  • Projection in surrogate decisions about life-sustaining medical treatments.

    Angela Fagerlin;Peter H. Ditto;Joseph H. Danks;Renate M. Houts

  • Free to punish: a motivated account of free will belief.

    Cory J. Clark;Jamie B. Luguri;Peter H. Ditto;Joshua Knobe

  • Micromanaging Death: Process Preferences, Values, and Goals in End-of-Life Medical Decision Making

    Nikki Ayers Hawkins;Peter H. Ditto;Joseph H. Danks;William D. Smucker

  • Spontaneous Skepticism: The Interplay of Motivation and Expectation in Responses to Favorable and Unfavorable Medical Diagnoses

    Peter H. Ditto;Geoffrey D. Munro;Anne Marie Apanovitch;James A. Scepansky

  • Biased Assimilation of Sociopolitical Arguments: Evaluating the 1996 U.S. Presidential Debate

    Geoffrey D. Munro;Peter H. Ditto;Lisa K. Lockhart;Angela Fagerlin

  • What Dilemma? Moral Evaluation Shapes Factual Belief

    Brittany S. Liu;Peter H. Ditto

  • From rarity to evaluative extremity: effects of prevalence information on evaluations of positive and negative characteristics.

    Peter H. Ditto;John B. Jemmott

  • Accuracy of primary care and hospital-based physicians' predictions of elderly outpatients' treatment preferences with and without advance directives.

    Kristen M. Coppola;Peter H. Ditto;Joseph H. Danks;William D. Smucker

Frequent Co-Authors

Jesse Graham
Jesse Graham University of Utah
Angela Fagerlin
Angela Fagerlin University of Utah
Jonathan Haidt
Jonathan Haidt New York University
Renate Houts
Renate Houts Duke University
David A. Pizarro
David A. Pizarro Cornell University
Roy F. Baumeister
Roy F. Baumeister University of Queensland
Jay J. Van Bavel
Jay J. Van Bavel New York University
Jamila Bookwala
Jamila Bookwala Gettysburg College
Andrei Cimpian
Andrei Cimpian New York University

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