World's Best Scientists 2026 revealed!
James D. A. Parker

James D. A. Parker

D-Index & Metrics

Psychology

D-Index
92
Citations
55592
World Ranking
864
National Ranking
37

James D. A. Parker 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 James D. A. Parker 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: 190 publications — 66th percentile

66% of scientists in this discipline score the same or lower.

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

James D. A. Parker 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 James D. A. Parker 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: 92 D-Index — 93rd percentile

93% of scientists in this discipline score the same or lower.

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

Overview

James D. A. Parker is affiliated with Trent University in Canada. Their research primarily lies in the fields of Psychology and Medicine, with a particular focus on subfields including Social Psychology, Psychiatry and Mental Health, Clinical Psychology, Experimental and Cognitive Psychology, and Education.

The main topics addressed in their work cover areas such as:

  • Emotional Intelligence and Performance
  • Psychosomatic Disorders and Their Treatments
  • Personality Traits and Psychology
  • Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes
  • Early Childhood Education and Development
  • Bullying, Victimization, and Aggression
  • Attention Deficit Hyperactivity Disorder

Their recent publications include:

  • "Trait emotional intelligence and interpersonal relationships: Results from a 15-year longitudinal study," 2020, Personality and Individual Differences
  • "ADHD and Academic Success in University Students: The Important Role of Impaired Attention," 2021, Journal of Attention Disorders
  • "Twenty-five years with the 20-item Toronto Alexithymia Scale," 2020, Journal of Psychosomatic Research
  • "A bifactor analysis of the 20-item Toronto Alexithymia Scale: Further support for a general alexithymia factor," 2021, Psychological Assessment
  • "Emotional Intelligence: Relevance and Implications for Addiction," 2021, Current Addiction Reports

James D. A. Parker has frequently co-published with the following researchers:

  • Colin Henning
  • A. Geoffrey Crane
  • R. Michael Bagby
  • Graeme J. Taylor
  • Laura J. Summerfeldt

The researcher has published multiple articles in key venues such as:

  • Personality and Individual Differences
  • Journal of Psychosomatic Research
  • Journal of Attention Disorders
  • Canadian Journal of School Psychology
  • arXiv (Cornell University)

Best Publications

  • The twenty-item Toronto Alexithymia Scale--I. Item selection and cross-validation of the factor structure.

    R.Michael Bagby;James D.A. Parker;Graeme J. Taylor

  • Multidimensional assessment of coping: A critical evaluation.

    Norman S. Endler;James D. A. Parker

  • Disorders of Affect Regulation: Alexithymia in Medical and Psychiatric Illness

    Graeme J. Taylor;R. Michael Bagby;James D. A. Parker;James Grotstein

  • The twenty-item Toronto Alexithymia scale—II. Convergent, discriminant, and concurrent validity

    R.Michael Bagby;Graeme J. Taylor;James D.A. Parker

  • The Multidimensional Anxiety Scale for Children (MASC): Factor Structure, Reliability, and Validity

    John S. March;James D.A. Parker;Kevin Sullivan;Patricia Stallings

  • The revised Conners' Parent Rating Scale (CPRS-R): factor structure, reliability, and criterion validity.

    C. K. Conners;G. Sitarenios;J. D. A. Parker;J. N. Epstein

  • The handbook of emotional intelligence : theory, development, assessment, and application at home, school, and in the workplace

    Reuven Bar-On;James D. A. Parker

  • Emotional intelligence and academic success: examining the transition from high school to university

    James D.A. Parker;Laura J. Summerfeldt;Marjorie J. Hogan;Sarah A. Majeski

  • Assessment of multidimensional coping: task, emotion, and avoidance strategies

    Norman S. Endler;James D. A. Parker

  • The Alexithymia Construct: A Potential Paradigm for Psychosomatic Medicine

    Graeme J. Taylor;Graeme J. Taylor;R. Michael Bagby;R. Michael Bagby;James D.A. Parker;James D.A. Parker

  • The 20-Item Toronto Alexithymia Scale: IV. Reliability and factorial validity in different languages and cultures

    Graeme J Taylor;R.Michael Bagby;James D.A Parker

  • The 20-Item Toronto Alexithymia Scale III. Reliability and factorial validity in a community population

    James D A Parker;Graeme J Taylor;R Michael Bagby

  • Revision and Restandardization of the Conners Teacher Rating Scale (CTRS-R): Factor Structure, Reliability, and Criterion Validity

    C. K. Conners;G. Sitarenios;J. D. A. Parker;J. N. Epstein

  • Coping with coping assessment: A critical review:

    James D. A. Parker;Norman S. Endler

  • Cross validation of the factor structure of the 20-item Toronto Alexithymia Scale: An Italian multicenter study

    Cinzia Bressi;Graeme Taylor;James Parker;Sergio Bressi

  • The relationship between emotional intelligence and alexithymia

    James D.A Parker;Graeme J Taylor;R.Michael Bagby

  • Academic achievement in high school: does emotional intelligence matter?

    James D.A. Parker;Ronald E. Creque;David L. Barnhart;Jan Irons Harris

  • Factorial validity of the 20-item Toronto Alexithymia Scale

    James D. A. Parker;R. Michael Bagby;Graeme J. Taylor;Norman S. Endler

  • Test-retest reliability of the Multidimensional Anxiety Scale for Children.

    John S March;Kevin Sullivan;James Parker

  • Criterion validity of the Toronto Alexithymia Scale.

    G. J. Taylor;R. M. Bagby;D. P. Ryan;J. D. A. Parker

  • The SAGE Handbook of Personality Theory and Assessment

    Elizabeth Austin;J. D. A. Parker;K. V. Petrides;D. H. Saklofske

Frequent Co-Authors

Graeme J. Taylor
Graeme J. Taylor University of Toronto
R. Michael Bagby
R. Michael Bagby University of Toronto
Norman S. Endler
Norman S. Endler York University
Laura J. Summerfeldt
Laura J. Summerfeldt Trent University
Donald H. Saklofske
Donald H. Saklofske University of Western Ontario
Russell T. Joffe
Russell T. Joffe Rutgers, The State University of New Jersey
Ronald R. Holden
Ronald R. Holden Queen's University
John S. March
John S. March Duke University
Brian J. Cox
Brian J. Cox University of Manitoba
Martin M. Antony
Martin M. Antony Toronto Metropolitan University

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