World's Best Scientists 2026 revealed!
Catherine C. Classen

Catherine C. Classen

D-Index & Metrics

Psychology

D-Index
47
Citations
11615
World Ranking
6091
National Ranking
415

Catherine C. Classen 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 Catherine C. Classen 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: 105 publications — 23rd percentile

23% of scientists in this discipline score the same or lower.

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

Catherine C. Classen 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 Catherine C. Classen 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: 47 D-Index — 47th percentile

47% of scientists in this discipline score the same or lower.

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

Overview

Catherine C. Classen is affiliated with the University of Toronto in Canada. Their research spans multiple fields including Psychology and Medicine, with a focus on Clinical Psychology, Psychiatry and Mental Health, Oncology, Social Psychology, and Immunology.

The scientist's work covers several main topics, notably:

  • Attachment and Relationship Dynamics
  • Psychotherapy Techniques and Applications
  • Psychosomatic Disorders and Their Treatments
  • Child Therapy and Development
  • CAR-T cell therapy research
  • Biosimilars and Bioanalytical Methods
  • Maternal Mental Health During Pregnancy and Postpartum

Recent publications authored or co-authored by Catherine C. Classen include the following papers:

  • A Pilot RCT of A Body-Oriented Group Therapy For Complex Trauma Survivors: An Adaptation of Sensorimotor Psychotherapy, 2020, Journal of Trauma & Dissociation
  • A randomized controlled trial of an online support group addressing psychosexual distress among women treated for gynecologic cancer, 2024, Gynecologic Oncology

Other notable publications, though authored by co-authors in the research network, are:

  • Prognostic impact of dose, duration, and timing of corticosteroid therapy in patients with large B-cell lymphoma treated with standard of care axicabtagene ciloleucel (Axi-cel), 2020, Journal of Clinical Oncology
  • Mother Matters: Pilot randomized wait-list controlled trial of an online therapist-facilitated discussion board and support group for postpartum depression symptoms, 2021, Depression and Anxiety
  • Association of treatment modality with sexual dysfunction in gynecologic cancer survivors: A secondary analysis of the gyne-GALS randomized controlled trial, 2020, Gynecologic Oncology

Common publication venues for Catherine C. Classen's research include:

  • Gynecologic Oncology
  • Journal of Trauma & Dissociation
  • Journal of Clinical Oncology
  • Depression and Anxiety

Frequent collaborators in their research projects are:

  • Meredith L. Chivers
  • Lori A. Brotto
  • Lisa Barbera
  • John J. Koval
  • John W. Robinson

Best Publications

  • Sexual Revictimization A Review of the Empirical Literature

    Catherine C. Classen;Oxana Gronskaya Palesh;Rashi Aggarwal

  • Predictors of posttraumatic stress symptoms among survivors of the Oakland/Berkeley, Calif., firestorm.

    Cheryl Koopman;Catherine Classen;David A. Spiegel

  • Supportive-expressive group therapy and distress in patients with metastatic breast cancer: a randomized clinical intervention trial.

    Catherine Classen;Lisa D. Butler;Cheryl Koopman;Elaine Miller

  • Evaluation of an internet support group for women with primary breast cancer.

    Andrew J. Winzelberg;Catherine Classen;Georg W. Alpers;Heidi Roberts

  • Psychometric properties of the Stanford Acute Stress Reaction Questionnaire (SASRQ): A valid and reliable measure of acute stress

    Etzel Cardeña;Cheryl Koopman;Catherine Classen;Lynn C. Waelde

  • Coping styles associated with psychological adjustment to advanced breast cancer

    Catherine Classen;Cheryl Koopman;Karyn Angell;David Spiegel

  • Acute Stress Disorder as a Predictor of Posttraumatic Stress Symptoms

    Catherine Classen;Cheryl Koopman;Robert Hales;David Spiegel

  • Group Therapy For Cancer Patients: A Research-based Handbook Of Psychosocial Care

    David Spiegel;Catherine Classen

  • Effects of supportive‐expressive group therapy on survival of patients with metastatic breast cancer

    David Spiegel;Lisa D. Butler;Janine Giese‐Davis;Cheryl Koopman

  • When disaster strikes, acute stress disorder may follow.

    Cheryl Koopman;Catherine C Classen;Etzel Cardeña;David Spiegel

  • Traumatic stress, life events, and emotional support in women with metastatic breast cancer: cancer-related traumatic stress symptoms associated with past and current stressors.

    Lisa D. Butler;Cheryl Koopman;Catherine Classen;David Spiegel

  • Group psychotherapy for recently diagnosed breast cancer patients: a multicenter feasibility study.

    David Spiegel;Gary R. Morrow;Catherine Classen;Richard Raubertas

  • Evaluation of computerized text analysis in an internet breast cancer support group

    Georg W. Alpers;Georg W. Alpers;Andrew J. Winzelberg;Catherine Classen;Heidi Roberts

  • A review of dissociative disorders treatment studies.

    Bethany L. Brand;Catherine C. Classen;Scot W. McNary;Parin Zaveri

  • Change in emotion-regulation strategy for women with metastatic breast cancer following supportive-expressive group therapy.

    Janine Giese-Davis;Cheryl Koopman;Lisa D. Butler;Catherine Classen

  • Trauma and dissociation.

    Catherine Classen;Cheryl Koopman;David Spiegel

  • A Naturalistic Study of Dissociative Identity Disorder and Dissociative Disorder Not Otherwise Specified Patients Treated by Community Clinicians

    Bethany Brand;Catherine Classen;Ruth Lanins;Richard Loewenstein

  • Traumatic Stress Symptoms Among Women with Recently Diagnosed Primary Breast Cancer

    Cheryl Koopman;Lisa D. Butler;Catherine Classen;Janine Giese-Davis

  • The effects of expressive writing on pain, depression and posttraumatic stress disorder symptoms in survivors of intimate partner violence.

    Cheryl Koopman;Tasneem Ismailji;Danielle Holmes;Catherine C. Classen

  • Supportive-expressive group therapy for primary breast cancer patients: a randomized prospective multicenter trial.

    Catherine C. Classen;Helena C. Kraemer;Christine Blasey;Janine Giese-Davis

Frequent Co-Authors

David Spiegel
David Spiegel Stanford University
Cheryl Koopman
Cheryl Koopman Stanford University
Lisa D. Butler
Lisa D. Butler University at Buffalo, State University of New York
Gary R. Morrow
Gary R. Morrow University of Rochester Medical Center
Janine Giese-Davis
Janine Giese-Davis University of Calgary
Helena C. Kraemer
Helena C. Kraemer Stanford University
Bethany L. Brand
Bethany L. Brand Towson University
Richard J. Loewenstein
Richard J. Loewenstein University of Maryland, Baltimore
Nigel P. Field
Nigel P. Field Palo Alto University
Ruth A. Lanius
Ruth A. Lanius University of Western Ontario

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