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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Psychology 37 9174 8574 4864 4430 182 6185

Jennifer L. Callahan publications per year

The chart shows the history of publications by Jennifer L. Callahan between 2002 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Jennifer L. Callahan published across 24 years, from 2002 to 2025, averaging 8.8 papers a year. Output peaked at 18 publications in 2013. 14 of the 211 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 2002 to 2025. Vertical axis: number of publications, 0 to 18. Peak 18 publications in 2013. 2002: 2 publications 2003: 4 publications 2004: 0 publications 2005: 2 publications 2006: 3 publications 2007: 9 publications 2008: 11 publications 2009: 11 publications 2010: 9 publications 2011: 7 publications 2012: 7 publications 2013: 18 publications 2014: 18 publications 2015: 16 publications 2016: 9 publications 2017: 9 publications 2018: 11 publications 2019: 17 publications 2020: 9 publications 2021: 7 publications 2022: 5 publications 2023: 13 publications 2024: 5 publications 2025: 9 publications
2002 2025

211 publications in total across all disciplines

View publications per year as a table
Jennifer L. Callahan: publications per year, 2002 to 2025
Year Publications
2002 2
2003 4
2004 0
2005 2
2006 3
2007 9
2008 11
2009 11
2010 9
2011 7
2012 7
2013 18
2014 18
2015 16
2016 9
2017 9
2018 11
2019 17
2020 9
2021 7
2022 5
2023 13
2024 5
2025 9
Total 211
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Jennifer L. Callahan 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 Jennifer L. Callahan 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, 181–190 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: 182 publications — 63rd percentile

63% 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
181–190 397 182
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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Jennifer L. Callahan 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 Jennifer L. Callahan 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, 36–37 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: 37 D-Index — 21st percentile

21% 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 37
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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Research.com Recognitions

  • 2016 - Fellow of the American Psychological Association (APA)

Overview

Jennifer L. Callahan is affiliated with the University of North Texas in the United States and has contributed extensively to the field of psychology, with a focus on clinical and social psychology. Their research covers a range of topics including counseling practices and supervision, psychotherapy techniques, and schizophrenia research and treatment.

Their publication record reflects a concentration on professional psychology, psychotherapy integration, and health sciences. Jennifer L. Callahan has authored multiple papers, with notable recent works including:

  • The Course of General Cognitive Ability in Individuals With Psychotic Disorders, 2022, published in JAMA Psychiatry
  • Introduction to the special issue on telepsychotherapy in the age of COVID-19, 2020, Journal of Psychotherapy Integration
  • Posttraumatic stress disorder in daily life among World Trade Center responders: Temporal symptom cascades, 2021, Journal of Psychiatric Research
  • Introduction to the special issue: Supervisee perspectives of supervision processes, 2020, Journal of Psychotherapy Integration
  • The enhanced examination for professional practice in psychology: A viable approach?, 2020, American Psychologist

Jennifer L. Callahan collaborates regularly with several scholars frequently appearing as coauthors, including:

  • A. Andrew Dimmick
  • Camilo J. Ruggero
  • Roman Kotov
  • Debora J. Bell
  • James J. Crowley

Their research is featured prominently in venues such as:

  • Training and Education in Professional Psychology
  • Journal of Psychotherapy Integration
  • American Psychologist
  • Archives of Clinical Neuropsychology
  • JAMA Psychiatry

Jennifer L. Callahan's work spans several main fields and subfields of study, including:

  • Psychology
  • Clinical Psychology
  • Social Psychology
  • General Health Professions
  • Public Health, Environmental and Occupational Health
  • Health

Key topics investigated in their work include:

  • Counseling Practices and Supervision
  • Psychotherapy Techniques and Applications
  • Religion, Spirituality, and Psychology
  • Schizophrenia Research and Treatment
  • Personality Disorders and Psychopathology
  • Innovations in Medical Education
  • Health Sciences Research and Education

In 2016, Jennifer L. Callahan was recognized as a Fellow of the American Psychological Association (APA), reflecting a professional affiliation within the broader psychological community.

Best Publications

  • The effects of apolipoprotein E on non-impaired cognitive functioning: A meta-analysis

    Nick M. Wisdom;Jennifer L. Callahan;Jennifer L. Callahan;Keith A. Hawkins

  • The impact of client treatment preferences on outcome: a meta‐analysis

    Joshua K. Swift;Jennifer L. Callahan

  • Positive and negative adjustment and social support of sexual assault survivors.

    Susan E. Borja;Jennifer L. Callahan;Patricia J. Long

  • Integrating the Hierarchical Taxonomy of Psychopathology (HiTOP) into clinical practice

    Camilo J. Ruggero;Roman Kotov;Christopher J. Hopwood;Michael First

  • The impact of accommodating client preference in psychotherapy: A meta‐analysis

    Joshua K. Swift;Jennifer L. Callahan;Mick Cooper;Susannah R. Parkin

  • Modification of the Perinatal PTSD Questionnaire to enhance clinical utility.

    J L Callahan;S E Borja;M T Hynan

  • Long-term Changes in Cognitive Functioning in Individuals With Psychotic Disorders: Findings From the Suffolk County Mental Health Project

    Anne Kathrin J. Fett;Anne Kathrin J. Fett;Anne Kathrin J. Fett;Eva Velthorst;Abraham Reichenberg;Abraham Reichenberg;Camilo J. Ruggero

  • Preferences

    Unknown

  • Exploring the contribution of supervisors to intervention outcomes.

    Jennifer L. Callahan;Christina M. Almstrom;Joshua K. Swift;Susan E. Borja

  • Using clinically significant change to identify premature termination.

    Joshua K. Swift;Jennifer Callahan;Jason C. Levine

  • Aripiprazole in the treatment of the psychosis prodrome: an open-label pilot study

    Scott W Woods;Elizabeth M Tully;Barbara C Walsh;Keith A Hawkins

  • Decreasing treatment dropout by addressing expectations for treatment length

    Joshua K. Swift;Jennifer L. Callahan

  • Effects of pre-session centering for therapists on session presence and effectiveness

    Rose Dunn;Jennifer L. Callahan;Joshua K. Swift;Mariana Ivanovic

  • Neuropsychological course in the prodrome and first episode of psychosis: Findings from the PRIME North America Double Blind Treatment Study

    Keith A. Hawkins;Richard S.E. Keefe;Bruce K. Christensen;Jean Addington;Jean Addington

  • The role of emotional functioning in military-related PTSD and its treatment

    Unknown

  • A Comparison of Client Preferences for Intervention Empirical Support Versus Common Therapy Variables

    Joshua K. Swift;Jennifer L. Callahan

  • Understanding negative outcomes following traumatic exposure: The roles of neuroticism and social support.

    Susan E. Borja;Jennifer L. Callahan;Philip L. Rambo

  • Further examination of the psychotherapy preference effect: A meta-regression analysis.

    Joshua K. Swift;Jennifer L. Callahan;Mariana Ivanovic;Nina Kominiak

  • Pretreatment expectancies and premature termination in a training clinic environment.

    Jennifer L. Callahan;Nickilynn Aubuchon-Endsley;Susan E. Borja;Joshua K. Swift

  • Identifying Mothers at Risk for Postnatal Emotional Distress: Further Evidence for the Validity of the Perinatal Posttraumatic Stress Disorder Questionnaire

    Jennifer L Callahan;Michael T Hynan

  • Models of Psychotherapy Outcome: Are They Applicable in Training Clinics?

    Jennifer L. Callahan;Michael T. Hynan

  • Diagnostic Utility of the Structured Inventory of Malingered Symptomatology to Detect Malingering in a Forensic Sample

    Nick M Wisdom;Jennifer L Callahan;Terry G Shaw

Frequent Co-Authors

Camilo J. Ruggero
Camilo J. Ruggero University of North Texas
C. Edward Watkins
C. Edward Watkins University of North Texas
Roman Kotov
Roman Kotov Stony Brook University
Benjamin J. Luft
Benjamin J. Luft Stony Brook University
Craig S. Neumann
Craig S. Neumann University of North Texas
Evelyn J. Bromet
Evelyn J. Bromet Stony Brook University
Adriel Boals
Adriel Boals University of North Texas
Joshua N. Hook
Joshua N. Hook University of North Texas
Keith A. Hawkins
Keith A. Hawkins Yale University
Abraham Reichenberg
Abraham Reichenberg Icahn School of Medicine at Mount Sinai

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