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R. Michael Bagby

R. Michael Bagby

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Psychology 106 460 401 17 15 426 55824

R. Michael Bagby publications per year

The chart shows the history of publications by R. Michael Bagby between 1984 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. R. Michael Bagby published across 42 years, from 1984 to 2025, averaging 10.1 papers a year. Output peaked at 24 publications in 2018. 3 of the 425 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1984 to 2025. Vertical axis: number of publications, 0 to 24. Peak 24 publications in 2018. 1984: 1 publication 1985: 1 publication 1986: 2 publications 1987: 2 publications 1988: 3 publications 1989: 3 publications 1990: 8 publications 1991: 10 publications 1992: 12 publications 1993: 13 publications 1994: 9 publications 1995: 6 publications 1996: 6 publications 1997: 15 publications 1998: 8 publications 1999: 10 publications 2000: 9 publications 2001: 9 publications 2002: 10 publications 2003: 15 publications 2004: 12 publications 2005: 17 publications 2006: 14 publications 2007: 9 publications 2008: 19 publications 2009: 11 publications 2010: 12 publications 2011: 11 publications 2012: 10 publications 2013: 16 publications 2014: 13 publications 2015: 13 publications 2016: 16 publications 2017: 13 publications 2018: 24 publications 2019: 21 publications 2020: 15 publications 2021: 19 publications 2022: 3 publications 2023: 2 publications 2024: 2 publications 2025: 1 publication
1984 2025

425 publications in total across all disciplines

View publications per year as a table
R. Michael Bagby: publications per year, 1984 to 2025
Year Publications
1984 1
1985 1
1986 2
1987 2
1988 3
1989 3
1990 8
1991 10
1992 12
1993 13
1994 9
1995 6
1996 6
1997 15
1998 8
1999 10
2000 9
2001 9
2002 10
2003 15
2004 12
2005 17
2006 14
2007 9
2008 19
2009 11
2010 12
2011 11
2012 10
2013 16
2014 13
2015 13
2016 16
2017 13
2018 24
2019 21
2020 15
2021 19
2022 3
2023 2
2024 2
2025 1
Total 425
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R. Michael Bagby publications per year - data summary

  • R. Michael Bagby, a Psychology scholar from University of Toronto, has 425 publications recorded across 42 years, from 1984 to 2025.
  • The oldest publication on record dates to 1984 and the most recent to 2025.
  • The most productive year is 2018, with 24 publications.
  • The least productive years with any output are 1984, 1985 and 2025, with 1 publication each.
  • The rate of publication averages 10.1 papers per year over the whole span, or 10.1 per year counting only the 42 years with at least one publication.
  • The last 5 years on the chart (2021-2025) hold 27 publications, 6% of the career total.
  • Split into equal eras - 1984-1997: 91 publications (6.5 per year); 1998-2011: 166 publications (11.9 per year); 2012-2025: 168 publications (12.0 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

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.

No. of scientists
200 400 600
Bar chart with 69 bars. Horizontal axis: publications, 31–40 to 705+. Vertical axis: number of scientists, 0 to 736. Most scientists, 736, have 101–110 publications. The last bar groups every scientist with 705 publications or more. The highlighted bar, 421–430 publications, is where this scientist sits. 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
31–40 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.

View publications distribution as a table
Number of Psychology scientists by publication count, Research.com 2026 ranking edition. Based on 11,416 ranked scientists.
Publications Scientists This scientist
31–40 6
41–50 52
51–60 138
61–70 299
71–80 461
81–90 605
91–100 713
101–110 736
111–120 686
121–130 670
131–140 644
141–150 597
151–160 576
161–170 477
171–180 450
181–190 397
191–200 343
201–210 328
211–220 313
221–230 283
231–240 226
241–250 196
251–260 201
261–270 171
271–280 151
281–290 139
291–300 113
301–310 102
311–320 100
321–330 76
331–340 92
341–350 85
351–360 69
361–370 71
371–380 63
381–390 58
391–400 57
401–410 43
411–420 33
421–430 50 426
431–440 41
441–450 32
451–460 27
461–470 28
471–480 25
481–490 28
491–500 20
501–510 23
511–520 26
521–530 17
531–540 21
541–550 14
551–560 16
561–570 10
571–580 22
581–590 9
591–600 14
601–610 9
611–620 11
621–630 4
631–640 7
641–650 5
651–660 10
661–670 8
671–680 8
681–690 4
691–700 3
701–704 4
705+ 100
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R. Michael Bagby publication distribution in Psychology in 2026 - data summary

  • The chart plots the publication count of all 11,416 Psychology scientists ranked by Research.com in 2026, grouped into 69 ranges running from 31–40 to 705+ publications.
  • R. Michael Bagby, a Psychology scholar from University of Toronto, records 426 publications - the 95th percentile of the discipline.
  • 95% of ranked Psychology scientists score the same or lower than R. Michael Bagby, and about 5% score higher.
  • The median of the discipline falls in the 151–160 publications range, and R. Michael Bagby ranks above the median.
  • The most crowded range is 101–110 publications, holding 736 scientists (6% of the field).
  • 72% of the field sits in the lowest quarter of the value range (up to 201–210 publications), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 705 publications or more, 100 scientists in all (<1% of the field).

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.

No. of scientists
200 400 600
Bar chart with 58 bars. Horizontal axis: D-Index, 30–31 to 144+. Vertical axis: number of scientists, 0 to 702. Most scientists, 702, have 32–33 D-Index. The last bar groups every scientist with 144 D-Index or more. The highlighted bar, 106–107 D-Index, is where this scientist sits. 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
30–31 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.

View D-Index distribution as a table
Number of Psychology scientists by D-index, Research.com 2026 ranking edition. Based on 11,416 ranked scientists.
D-Index Scientists This scientist
30–31 398
32–33 702
34–35 671
36–37 659
38–39 641
40–41 671
42–43 617
44–45 558
46–47 495
48–49 487
50–51 445
52–53 390
54–55 408
56–57 345
58–59 325
60–61 321
62–63 248
64–65 290
66–67 218
68–69 219
70–71 215
72–73 183
74–75 169
76–77 132
78–79 137
80–81 120
82–83 112
84–85 86
86–87 101
88–89 83
90–91 77
92–93 70
94–95 78
96–97 58
98–99 53
100–101 57
102–103 48
104–105 53
106–107 46 106
108–109 24
110–111 35
112–113 27
114–115 32
116–117 31
118–119 22
120–121 16
122–123 24
124–125 18
126–127 11
128–129 19
130–131 10
132–133 16
134–135 10
136–137 12
138–139 8
140–141 5
142–143 12
144+ 98
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R. Michael Bagby D-index placement in Psychology in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 11,416 Psychology scientists ranked by Research.com in 2026, grouped into 58 ranges running from 30–31 to 144+ D-Index.
  • R. Michael Bagby, a Psychology scholar from University of Toronto, records 106 D-Index - the 96th percentile of the discipline.
  • 96% of ranked Psychology scientists score the same or lower than R. Michael Bagby, and about 4% score higher.
  • The median of the discipline falls in the 48–49 D-Index range, and R. Michael Bagby ranks above the median.
  • The most crowded range is 32–33 D-Index, holding 702 scientists (6% of the field).
  • 68% of the field sits in the lowest quarter of the value range (up to 58–59 D-Index), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 144 D-Index or more, 98 scientists in all (<1% of the field).

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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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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