World's Best Scientists 2026 revealed!
R. Michael Bagby

R. Michael Bagby

D-Index & Metrics

Psychology

D-Index
106
Citations
55824
World Ranking
460
National Ranking
17

R. Michael Bagby 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 R. Michael Bagby 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: 426 publications — 95th percentile

95% of scientists in this discipline score the same or lower.

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

R. Michael Bagby 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 R. Michael Bagby 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: 106 D-Index — 96th percentile

96% of scientists in this discipline score the same or lower.

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

Overview

R. Michael Bagby is affiliated with the University of Toronto in Canada and specializes in research at the intersection of psychology and medicine, with a focus on clinical and experimental subfields. Their work spans various domains including clinical psychology, psychiatry and mental health, and cognitive neuroscience.

The primary fields of study encompass:

  • Psychology
  • Medicine

Within these fields, Bagby's subfields of research include:

  • Clinical Psychology
  • Psychiatry and Mental Health
  • Experimental and Cognitive Psychology
  • Cognitive Neuroscience
  • Applied Psychology

Bagby's contributions often address topics such as:

  • Personality Disorders and Psychopathology
  • Mental Health Research Topics
  • Psychosomatic Disorders and Their Treatments
  • Psychotherapy Techniques and Applications
  • Functional Brain Connectivity Studies
  • Cannabis and Cannabinoid Research
  • Bipolar Disorder and Treatment

Their recent published work includes:

  • "Assessment of response bias in personality disorder research." (2023) in Personality Disorders Theory Research and Treatment
  • "Elevated fatty acid amide hydrolase in the prefrontal cortex of borderline personality disorder: a [11C]CURB positron emission tomography study" (2020) in Neuropsychopharmacology
  • "A bifactor analysis of the 20-item Toronto Alexithymia Scale: Further support for a general alexithymia factor." (2021) in Psychological Assessment
  • "Examining the Incremental Validity of the Perth Alexithymia Questionnaire (PAQ) Relative to the 20-Item Toronto Alexithymia Scale (TAS-20)" (2023) in Journal of Personality Assessment
  • "Alexithymia: A Defense of the Original Conceptualization of the Construct and a Critique of the Attention-Appraisal Model." (2024) in PubMed

The venues where Bagby frequently publishes include:

  • Personality Disorders Theory Research and Treatment
  • Neuropsychopharmacology
  • Psychological Assessment
  • Journal of Personality Assessment
  • PubMed

Collaborations have been a notable aspect of Bagby's academic efforts, with frequent coauthors such as:

  • Martin Sellbom
  • Romina Mizrahi
  • Graeme J. Taylor
  • Aqsa Zahid
  • Nathan J. Kolla

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

  • 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 Hierarchical Taxonomy of Psychopathology (HiTOP): A Dimensional Alternative to Traditional Nosologies

    Roman Kotov;Robert F. Krueger;David Watson;Thomas M. Achenbach

  • The Hamilton Depression Rating Scale: has the gold standard become a lead weight?

    R. Michael Bagby;Andrew G. Ryder;Deborah R. Schuller;Margarita B. Marshall

  • 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

  • New trends in alexithymia research.

    Graeme J. Taylor;R. Michael Bagby

  • The relationship between emotional intelligence and alexithymia

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

  • The cultural shaping of depression: Somatic symptoms in China, psychological symptoms in North America?

    Andrew G. Ryder;Jian Yang;Xiongzhao Zhu;Shuqiao Yao

  • Sexual dysfunction before antidepressant therapy in major depression

    Sidney H. Kennedy;Sidney H. Kennedy;Susan E. Dickens;Beata S. Eisfeld;R.Michael Bagby;R.Michael Bagby

  • Factorial validity of the 20-item Toronto Alexithymia Scale

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

  • Progress in achieving quantitative classification of psychopathology

    Robert F. Krueger;Roman Kotov;David Watson;Miriam K. Forbes

  • A Hierarchical Taxonomy of Psychopathology Can Transform Mental Health Research

    Christopher C. Conway;Miriam K. Forbes;Kelsie T. Forbush;Eiko I. Fried

  • The development of the Toronto Structured Interview for Alexithymia: item selection, factor structure, reliability and concurrent validity.

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

  • Relationships between alexithymia and psychological characteristics associated with eating disorders

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

  • An overview of the alexithymia construct.

    Graeme J. Taylor;R. Michael Bagby

  • An evaluation of the absolute and relative stability of alexithymia in patients with major depression.

    Olivier Luminet;R. Michael Bagby;Graeme J. Taylor

  • A psychometric review of the Personality Inventory for DSM–5 (PID–5): Current status and future directions.

    Nadia Al-Dajani;Tara M Gralnick;R Michael Bagby

  • Major depression and the five-factor model of personality

    R. Michael Bagby;Russell T. Joffe;James D.A. Parker;Valery Kalemba

Frequent Co-Authors

Lena C. Quilty
Lena C. Quilty Centre for Addiction and Mental Health
Graeme J. Taylor
Graeme J. Taylor University of Toronto
James D. A. Parker
James D. A. Parker Trent University
Martin Sellbom
Martin Sellbom Monash University
Sidney H. Kennedy
Sidney H. Kennedy University Health Network
Andrew G. Ryder
Andrew G. Ryder Concordia University
Russell T. Joffe
Russell T. Joffe Rutgers, The State University of New Jersey
Neil A. Rector
Neil A. Rector Sunnybrook Health Science Centre
Kate L. Harkness
Kate L. Harkness Queen's University
Richard Rogers
Richard Rogers University of North Texas

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Related Online Degrees & Career Pathways

If you’re interested in psychology, there are several related online degrees and career paths to consider. Many students explore specializations such as counseling, clinical psychology, or even speech-language pathology (SLP) after their foundational studies. These fields often require advanced education and certifications, making online degrees a flexible choice for busy learners.

For those drawn to speech-language pathology, each state has distinct licensure requirements. For example, those interested in working in the Northeast should review the New Hampshire slp certification requirements, as well as the New Jersey speech pathologist certification requirements. If you plan to relocate or are exploring opportunities in other regions, it’s important to check local guidelines, such as slp requirements in New Mexico or the comprehensive New York slp certification requirements.

Before choosing a specialization, research the educational paths and licensure steps to ensure you’re on the right track for your desired role within psychology or related helping professions.

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