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Frederick Aardema

Frederick Aardema

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Psychology 35 9959 9325 690 647 129 4197

Frederick Aardema publications per year

The chart shows the history of publications by Frederick Aardema between 2003 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Frederick Aardema published across 23 years, from 2003 to 2025, averaging 6 papers a year. Output peaked at 24 publications in 2011. 6 of the 137 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 2003 to 2025. Vertical axis: number of publications, 0 to 24. Peak 24 publications in 2011. 2003: 2 publications 2004: 0 publications 2005: 7 publications 2006: 12 publications 2007: 5 publications 2008: 2 publications 2009: 4 publications 2010: 2 publications 2011: 24 publications 2012: 5 publications 2013: 2 publications 2014: 3 publications 2015: 14 publications 2016: 5 publications 2017: 4 publications 2018: 5 publications 2019: 4 publications 2020: 12 publications 2021: 11 publications 2022: 2 publications 2023: 6 publications 2024: 4 publications 2025: 2 publications
2003 2025

137 publications in total across all disciplines

View publications per year as a table
Frederick Aardema: publications per year, 2003 to 2025
Year Publications
2003 2
2004 0
2005 7
2006 12
2007 5
2008 2
2009 4
2010 2
2011 24
2012 5
2013 2
2014 3
2015 14
2016 5
2017 4
2018 5
2019 4
2020 12
2021 11
2022 2
2023 6
2024 4
2025 2
Total 137
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Frederick Aardema 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 Frederick Aardema 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, 121–130 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: 129 publications — 38th percentile

38% 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
121–130 670 129
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
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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Frederick Aardema 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 Frederick Aardema 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, 34–35 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: 35 D-Index — 16th percentile

16% 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 35
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
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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Overview

Frederick Aardema is affiliated with the University of Montreal in Canada and specializes primarily in the field of psychology, with a focus on clinical psychology. Their research spans 76 publications centered on psychological topics, including 55 in clinical psychology and 21 in experimental and cognitive psychology. Additional areas of study encompass cognitive neuroscience and psychiatry and mental health.

Aardema's work concentrates on several main topics, notably obsessive-compulsive spectrum disorders, which feature in 54 of their publications. Other research themes include anxiety, depression, psychometrics, treatment approaches, and cognitive processes, with 40 publications addressing these areas. The scientist also explores body image and dysmorphia studies (24 publications), eating disorders and behaviors (14 publications), and sexuality, behavior, and technology (8 publications). Their interest extends to the psychology of moral and emotional judgment and autism spectrum disorder research as well.

The frequent publication venues chosen by Aardema reflect their areas of expertise. The top journals include the Journal of Obsessive-Compulsive and Related Disorders, with seven publications, and Clinical Psychology & Psychotherapy, with six. Other venues include the Journal of Behavior Therapy and Experimental Psychiatry and the British Journal of Clinical Psychology, each with two publications, as well as Current Psychology, also featuring two contributions.

Notable recent papers authored or co-authored by Frederick Aardema include:

  • COVID-19, obsessive-compulsive disorder and invisible life forms that threaten the self (2020, Journal of Obsessive-Compulsive and Related Disorders)
  • Development and validation of the multidimensional version of the fear of self questionnaire: Corrupted, culpable and malformed feared possible selves in obsessive-compulsive and body-dysmorphic symptoms (2021, Clinical Psychology & Psychotherapy)
  • The impact of the coronavirus pandemic on specific symptom dimensions and severity in OCD: A comparison before and during COVID-19 in the context of stress responses (2021, Journal of Obsessive-Compulsive and Related Disorders)

Frequent co-authors with whom Aardema has collaborated include Shiu F. Wong, Kieron O'Connor, Adam S. Radomsky, Vahid Khosravani, and Jean-Sébastien Audet, reflecting recurring research partnerships across multiple publications.

Best Publications

  • Intrusive thoughts, obsessions, and appraisals in obsessive–compulsive disorder: A critical review

    Dominic Julien;Kieron P. O'Connor;Frederick Aardema

  • Beyond Reasonable Doubt: Reasoning Processes in Obsessive-Compulsive Disorder and Related Disorders

    Kieron O'Connor;Frederick Aardema;Marie-Claude Pélissier

  • The Menace Within: Obsessions and the Self

    Frederick Aardema;Kieron O'Connor

  • The specificity of belief domains in obsessive–compulsive symptom subtypes

    Dominic Julien;Kieron P. O’Connor;Frederick Aardema;Christo Todorov

  • Virtual reality induces dissociation and lowers sense of presence in objective reality.

    Frederick Aardema;Kieron O'Connor;Sophie Côté;Annie Taillon

  • Inferential confusion in obsessive-compulsive disorder: the inferential confusion questionnaire.

    Frederick Aardema;Kieron P. O’Connor;Paul M.G. Emmelkamp;André Marchand

  • Fear of self and obsessionality: Development and validation of the Fear of Self Questionnaire

    Frederick Aardema;Richard Moulding;Richard Moulding;Adam S. Radomsky;Guy Doron

  • Evaluation of an inference-based approach to treating obsessive-compulsive disorder.

    K P O'Connor;F Aardema;D Bouthillier;S Fournier

  • Repugnant obsessions: a review of the phenomenology, theoretical models, and treatment of sexual and aggressive obsessional themes in OCD

    Richard Moulding;Frederick Aardema;Kieron P. O'Connor

  • Treating delusional disorder: a comparison of cognitive-behavioural therapy and attention placebo control.

    Kieron O'Connor;Emmanuel Stip;Marie-Claude Pélissier;Frederick Aardema

  • Cognitive behaviour therapy and medication in the treatment of obsessive-compulsive disorder.

    K. P. O'Connor;F. Aardema;S. Robillard;S. Guay

  • Fear of Self and Unacceptable Thoughts in Obsessive-Compulsive Disorder.

    Gabriele Melli;Frederick Aardema;Richard Moulding

  • The imagination: cognitive, pre-cognitive, and meta-cognitive aspects.

    Kieron P. O’Connor;Frederick Aardema

  • Seeing White Bears That Are Not There: Inference Processes in Obsessions

    Frederick Aardema;Kieron O'Connor

  • Intrusions related to obsessive‐compulsive disorder: a question of content or context?

    Dominic Julien;Kieron P. O'Connor;Frederick Aardema

  • An Inference-Based Approach to Treating Obsessive-Compulsive Disorders

    Kieron O'Connor;Natalia Koszegi;Frederick Aardema;Jan van Niekerk

  • The Expanded Version of the Inferential Confusion Questionnaire: Further Development and Validation in Clinical and Non-Clinical Samples

    Frederick Aardema;Frederick Aardema;Kevin D. Wu;Yves Careau;Kieron O’Connor

  • Imaginative, dissociative, and schizotypal processes in obsessive-compulsive symptoms.

    Frederick Aardema;Frederick Aardema;Kevin D. Wu

  • The inference-based approach to obsessive-compulsive disorder: A comprehensive review of its etiological model, treatment efficacy, and model of change

    Dominic Julien;Kieron O’Connor;Frederick Aardema

  • Intrusivethoughts,obsessions,andappraisalsinobsessive-compulsive disorder: A critical review

    Dominic Julien;Kieron P. O'Connor;Frederick Aardema

Frequent Co-Authors

Kieron O'Connor
Kieron O'Connor University of Montreal
Richard Moulding
Richard Moulding Deakin University
Adam S. Radomsky
Adam S. Radomsky Concordia University
Paul M. G. Emmelkamp
Paul M. G. Emmelkamp University of Amsterdam
Yasser Khazaal
Yasser Khazaal University of Lausanne
Steffen Moritz
Steffen Moritz University Medical Center Hamburg-Eppendorf
Stéphane Guay
Stéphane Guay University of Montreal
Kurt Hahlweg
Kurt Hahlweg Technische Universität Braunschweig
Marie-France Marin
Marie-France Marin University of Quebec at Montreal
Mark H. Freeston
Mark H. Freeston Newcastle University

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