World's Best Scientists 2026 revealed!

D-Index & Metrics

Psychology

D-Index
48
Citations
10421
World Ranking
5898
National Ranking
3203

Guy S. Diamond 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 Guy S. Diamond 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: 178 publications — 61st percentile

61% of scientists in this discipline score the same or lower.

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

Guy S. Diamond 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 Guy S. Diamond 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: 48 D-Index — 49th percentile

49% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2020 - Fellow of the American Psychological Association (APA)

Overview

Guy S. Diamond is affiliated with Drexel University in the United States and specializes in psychology, with a primary focus on clinical psychology. Their research encompasses related subfields including social psychology, safety research, public health, environmental and occupational health, as well as experimental and cognitive psychology.

The scientist's publication record includes topics addressing child and adolescent psychosocial and emotional development, suicide and self-harm studies, attachment and relationship dynamics, child welfare and adoption, maternal mental health during pregnancy and postpartum, mental health treatment and access, and broader mental health research topics.

Recent papers authored or co-authored by Diamond include:

  • Attachment-based family therapy: Theory, clinical model, outcomes, and process research (2021, Journal of Affective Disorders)
  • Family processes: Risk, protective and treatment factors for youth at risk for suicide (2021, Aggression and Violent Behavior)
  • Using machine learning to classify suicide attempt history among youth in medical care settings (2020, Journal of Affective Disorders)
  • Review of family-based treatments from 2010 to 2019 for suicidal ideation and behavior (2021, Journal of Marital and Family Therapy)
  • Demonstrating Attachment-Based Family Therapy for Transgender and Gender Diverse Youth with Suicidal Thoughts and Behavior: A Case Study (2021, Family Process)

Frequent co-authors in Diamond's work include Linda Ruan-Iu, Jody Russon, Alannah Shelby Rivers, Suzanne Levy, and E. Stephanie Krauthamer Ewing.

Common publication venues include:

  • Family Process
  • Journal of Marital and Family Therapy
  • Gezinstherapie Wereldwijd
  • Journal of Affective Disorders
  • School Mental Health

Diamond has been recognized as a Fellow of the American Psychological Association (APA) since 2020.

Best Publications

  • The Cannabis Youth Treatment (CYT) Study: main findings from two randomized trials.

    Michael Dennis;Susan H. Godley;Guy Diamond;Guy Diamond;Frank M. Tims

  • MULTIDIMENSIONAL FAMILY THERAPY FOR ADOLESCENT DRUG ABUSE: RESULTS OF A RANDOMIZED CLINICAL TRIAL

    Howard A. Liddle;Gayle A. Dakof;Kenneth Parker;Guy S. Diamond

  • Attachment-based family therapy for adolescents with suicidal ideation: a randomized controlled trial.

    Guy S. Diamond;Guy S. Diamond;Matthew B. Wintersteen;Gregory K. Brown;Gary M. Diamond

  • Attachment-based family therapy for depressed adolescents: a treatment development study.

    Guy S. Diamond;Brendali F. Reis;Gary M. Diamond;Lynne Siqueland

  • The Cannabis Youth Treatment (CYT) experiment: Rationale, study design and analysis plans.

    Michael Dennis;Janet C. Titus;Guy Diamond;Guy Diamond;Jean Donaldson

  • Attachment-Based Family Therapy for Depressed Adolescents: Programmatic Treatment Development

    Guy Diamond;Lynne Siqueland;Gary M. Diamond

  • Do Gender and Racial Differences Between Patient and Therapist Affect Therapeutic Alliance and Treatment Retention in Adolescents

    Matthew B. Wintersteen;Janell L. Mensinger;Guy S. Diamond

  • Adolescent and Parent Alliance and Treatment Outcome in Multidimensional Family Therapy

    Karni Shelef;Gary M. Diamond;Guy S. Diamond;Howard A. Liddle

  • Attachment-Based Family Therapy for Depressed Adolescents

    Guy S. Diamond;Gary M. Diamond;Suzanne A. Levy

  • Attachment‐Based Family Therapy: A Review of the Empirical Support

    Guy Diamond;Jody Russon;Suzanne Levy

  • Family-Based Treatment Research: A 10-Year Update

    Guy Diamond;Allan Josephson

  • Cannabis use: consistency and validity of self-report, on-site urine testing and laboratory testing.

    Betty J. Buchan;Michael L. Dennis;Frank M. Tims;Guy S. Diamond

  • Resolving a therapeutic impasse between parents and adolescents in multidimensional family therapy.

    Guy Diamond;Howard A. Liddle

  • Characteristics and problems of 600 adolescent cannabis abusers in outpatient treatment.

    Frank M. Tims;Michael L. Dennis;Nancy Hamilton;Betty J. Buchan

  • Cognitive behavioral and attachment based family therapy for anxious adolescents: Phase I and II studies.

    Lynne Siqueland;Moira Rynn;Guy S. Diamond

  • Transforming negative parent-adolescent interactions: from impasse to dialogue.

    Guy S. Diamond;Howard A. Liddle

  • Five outpatient treatment models for adolescent marijuana use: a description of the Cannabis Youth Treatment Interventions

    Guy Diamond;Susan H. Godley;Howard A. Liddle;Susan Sampl

  • CURRENT STATUS OF FAMILY-BASED OUTCOME AND PROCESS RESEARCH

    G. S. Diamond;A. C. Serrano;M. Dickey;W. A. Sonis

  • Remission of Depression in Parents: Links to Healthy Functioning in Their Children

    Judy Garber;Jeff A. Ciesla;Elizabeth McCauley;Guy Diamond

  • Differences in Mental Health Symptoms Across Lesbian, Gay, Bisexual, and Questioning Youth in Primary Care Settings

    Annie Shearer;Joanna Herres;Tamar Kodish;Helen Squitieri

  • A Randomized Controlled Trial: Attachment-Based Family and Nondirective Supportive Treatments for Youth Who Are Suicidal.

    Guy S. Diamond;R. Rogers Kobak;E. Stephanie Krauthamer Ewing;Suzanne A. Levy

Frequent Co-Authors

Gary M. Diamond
Gary M. Diamond Ben-Gurion University of the Negev
Howard A. Liddle
Howard A. Liddle University of Miami
Susan H. Godley
Susan H. Godley University of Miami
Michael L. Dennis
Michael L. Dennis Research Triangle Park Foundation
Thomas F. Babor
Thomas F. Babor University of Connecticut
Yifrah Kaminer
Yifrah Kaminer University of Connecticut
Robert Gallop
Robert Gallop West Chester University
Mark D. Godley
Mark D. Godley Chestnut Health Systems
Jack Rychik
Jack Rychik Children's Hospital of Philadelphia

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Related Online Degrees & Career Pathways

Exploring a career in psychology opens doors to a variety of online degrees and career paths, especially within counseling and therapy roles. Many students start with a bachelor’s degree in psychology or a related field, then continue to a master’s or doctoral program, which are essential steps toward becoming a licensed professional.

The path to licensure varies by state and even by city. For example, understanding how to become a licensed therapist in Irvine can help you meet California’s unique requirements. Similarly, aspiring counselors should review Irving licensed therapist education requirements for Texas, as the process and standards can differ.

If you’re considering a career in Florida, the Jacksonville licensed therapist requirements will guide you through the necessary coursework, supervised practice, and exams. In New Jersey, consulting the Jersey City licensed therapist education requirements is essential for meeting local regulations.

With many reputable universities offering online programs, earning your psychology degree and pursuing licensure is more flexible than ever, supporting a range of career options in mental health, counseling, and beyond.

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