World's Best Scientists 2026 revealed!

D-Index & Metrics

Psychology

D-Index
99
Citations
37703
World Ranking
652
National Ranking
27

Paul L. Hewitt 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 Paul L. Hewitt 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: 293 publications — 87th percentile

87% of scientists in this discipline score the same or lower.

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

Paul L. Hewitt 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 Paul L. Hewitt 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: 99 D-Index — 94th percentile

94% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2019 - CPA Donald O. Hebb Award for Distinguished Contributions to Psychology as a Science, Canadian Psychological Association (CPA)

Overview

Paul L. Hewitt is affiliated with the University of British Columbia in Canada, contributing extensively to psychological research, particularly within the field of Clinical Psychology. Their research portfolio spans 163 publications primarily focused on psychology, with significant work in subfields such as Clinical Psychology, Experimental and Cognitive Psychology, Public Health, Environmental and Occupational Health, Sociology and Political Science, and Social Psychology.

The scientist's recent papers include the following:

  • Suicide behaviors during the COVID-19 pandemic: A meta-analysis of 54 studies, 2021, Psychiatry Research
  • Multidimensional perfectionism turns 30: A review of known knowns and known unknowns., 2021, Canadian Psychology/Psychologie canadienne
  • Is perfectionism a vulnerability factor for depressive symptoms, a complication of depressive symptoms, or both? A meta-analytic test of 67 longitudinal studies, 2021, Clinical Psychology Review
  • The destructiveness and public health significance of socially prescribed perfectionism: A review, analysis, and conceptual extension, 2022, Clinical Psychology Review
  • Why does perfectionism confer risk for depressive symptoms? A meta-analytic test of the mediating role of stress and social disconnection, 2020, Journal of Research in Personality

Paul L. Hewitt's work explores main topics including perfectionism, procrastination, and anxiety studies, anxiety, depression, psychometrics, treatment, cognitive processes, maternal mental health during pregnancy and postpartum, work-family balance challenges, obsessive-compulsive spectrum disorders, personality disorders and psychopathology, and psychotherapy techniques and applications.

Frequent co-authors collaborating with Hewitt include:

  • Gordon L. Flett
  • Martin M. Smith
  • Samuel F. Mikail
  • Sabrina Ge
  • David Kealy

The scientist frequently publishes in venues such as:

  • The Physics Teacher
  • Journal of Psychoeducational Assessment
  • Personality and Individual Differences
  • Canadian Psychology/Psychologie canadienne
  • Journal of Clinical Psychology

Among book publications, Paul L. Hewitt has authored titles under the American Psychological Association, including "Perfectionism in childhood and adolescence: A developmental approach." published in 2022 and "Group psychodynamic-interpersonal psychotherapy." published in 2020.

Paul L. Hewitt was awarded the CPA Donald O. Hebb Award for Distinguished Contributions to Psychology as a Science by the Canadian Psychological Association in 2019.

Best Publications

  • Perfectionism in the self and social contexts: Conceptualization, assessment, and association with psychopathology.

    Paul L. Hewitt;Gordon L. Flett

  • Perfectionism and maladjustment: An overview of theoretical, definitional, and treatment issues.

    Gordon L. Flett;Paul L. Hewitt

  • Dimensions of perfectionism in unipolar depression.

    Paul L. Hewitt;Gordon L. Flett

  • The interpersonal expression of perfection: perfectionistic self-presentation and psychological distress

    Paul L. Hewitt;Gordon L. Flett;Simon B. Sherry;Marie Habke

  • Dimensions of perfectionism, daily stress, and depression: a test of the specific vulnerability hypothesis

    Paul L. Hewitt;Gordon L. Flett

  • Perfectionism : theory, research, and treatment

    Gordon L. Flett;Paul L. Hewitt

  • The multidimensional perfectionism scale : reliability, validity, and psychometric properties in psychiatric samples

    Paul L. Hewitt;Gordon L. Flett;Wendy Turnbull-Donovan;Samuel F. Mikail

  • Perfectionism and Depression: Longitudinal Assessment of a Specific Vulnerability Hypothesis

    Paul L. Hewitt;Gordon L. Flett;Evelyn Ediger

  • Perfectionism in children and their parents: A developmental analysis.

    Gordon L. Flett;Paul L. Hewitt;Joan M. Oliver;Silvana Macdonald

  • Perfectionism traits and perfectionistic self-presentation in eating disorder attitudes, characteristics, and symptoms

    Paul L. Hewitt;Gordon L. Flett;B A Evelyn Ediger

  • The Perceived Stress Scale: Factor structure and relation to depression symptoms in a psychiatric sample

    Paul L. Hewitt;Gordon L. Flett;Shawn W. Mosher

  • Psychological distress and the frequency of perfectionistic thinking

    Gordon L. Flett;Paul L. Hewitt;Kirk R. Blankstein;Lisa Gray

  • The Perils of Perfectionism in Sports and Exercise

    Gordon L. Flett;Paul L. Hewitt

  • Perfectionism and depression: A multidimensional analysis.

    Paul L. Hewitt;Gordon L. Flett

  • COMPONENTS OF PERFECTIONISM AND PROCRASTINATION IN COLLEGE STUDENTS

    Gordon L. Flett;Kirk R. Blankstein;Paul L. Hewitt;Spomenka Koledin

  • Perfectionism and stress processes in psychopathology.

    Paul L. Hewitt;Gordon L. Flett

  • Perfectionism in children: associations with depression, anxiety, and anger

    Paul L Hewitt;Carmen F Caelian;Gordon L Flett;Simon B Sherry

  • Perfectionism and learned resourcefulness in depression and self-esteem

    Gordon L. Flett;Paul L. Hewitt;Kirk R. Blankstein;Sean O'Brien

  • Positive Versus Negative Perfectionism in Psychopathology: A Comment on Slade and Owens's Dual Process Model.

    Gordon L. Flett;Paul L. Hewitt

  • Self-oriented perfectionism, neuroticism and anxiety

    Gordon L. Flett;Paul L. Hewitt;Dennis G. Dyck

  • Inhibited expression of negative emotions and interpersonal orientation in anorexia nervosa.

    Josie Geller;Sarah J. Cockell;Sarah J. Cockell;Paul L. Hewitt;Elliot M. Goldner;Elliot M. Goldner

Frequent Co-Authors

Gordon L. Flett
Gordon L. Flett York University
Avi Besser
Avi Besser Hadassah Academic College
Kirk R. Blankstein
Kirk R. Blankstein University of Toronto
Giorgio A. Tasca
Giorgio A. Tasca University of Ottawa
Wolfgang Linden
Wolfgang Linden University of British Columbia
Giulia Fioravanti
Giulia Fioravanti University of Florence
Silvia Casale
Silvia Casale University of Florence
G. Ron Norton
G. Ron Norton University of Winnipeg
Abby L. Goldstein
Abby L. Goldstein University of Toronto
Christine Wekerle
Christine Wekerle McMaster University

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