World's Best Scientists 2026 revealed!

D-Index & Metrics

Psychology

D-Index
52
Citations
11910
World Ranking
4959
National Ranking
2722

John B. Jemmott 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 John B. Jemmott 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: 139 publications — 43rd percentile

43% of scientists in this discipline score the same or lower.

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

John B. Jemmott 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 John B. Jemmott 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: 52 D-Index — 57th percentile

57% 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

  • 1995 - Fellow of the American Psychological Association (APA)

Overview

John B. Jemmott is affiliated with the University of Pennsylvania in the United States. Their research primarily focuses on Medicine and Social Sciences, with significant contributions in subfields including General Health Professions, Infectious Diseases, Health, Clinical Psychology, and Epidemiology. The scientist's work spans a range of health-related concerns, particularly adolescent sexual and reproductive health and HIV/AIDS research and interventions.

Their main research topics include:

  • Adolescent Sexual and Reproductive Health
  • HIV/AIDS Research and Interventions
  • HIV, Drug Use, Sexual Risk
  • HIV-related health complications and treatments
  • Vaccine Coverage and Hesitancy
  • Sex work and related issues
  • Gender Roles and Identity Studies

Frequent coauthors collaborating with John B. Jemmott include:

  • Loretta Sweet Jemmott
  • Larry D. Icard
  • Soojong Kim
  • Terri-Ann Kelly
  • Florence Momplaisir

The scientist has published multiple articles in several venues, often contributing to interdisciplinary and clinical research. Some of the most frequent publication venues are:

  • AIDS and Behavior
  • SLEEP
  • Journal of Adolescent Health
  • PLoS ONE
  • AIDS Care

Selected recent papers by John B. Jemmott include:

  • Understanding Drivers of Coronavirus Disease 2019 Vaccine Hesitancy Among Blacks (2021), published in Clinical Infectious Diseases
  • Racial/ethnic and neighbourhood social vulnerability disparities in COVID-19 testing positivity, hospitalization, and in-hospital mortality in a large hospital system in Pennsylvania: A prospective study of electronic health records (2022), The Lancet Regional Health - Americas
  • Shape-up: Efficacy of a culturally responsive barbershop-based violence reduction intervention RCT for young Black men (2021), Psychology of Men & Masculinity
  • Assessing Structural Racism and Discrimination Along the Pre-exposure Prophylaxis Continuum: A Systematic Review (2024), AIDS and Behavior
  • Barber-Led HIV/Sexually Transmitted Infection Risk Reduction for Young African-American Men: Efficacy and Mediation in a Cluster Randomized Controlled Trial (2023), Journal of Adolescent Health

In 1995, John B. Jemmott was recognized as a Fellow of the American Psychological Association (APA).

Best Publications

  • Abstinence and Safer Sex HIV Risk-Reduction Interventions for African American Adolescents A Randomized Controlled Trial

    John B. Jemmott;Loretta Sweet Jemmott;Geoffrey T. Fong

  • Psychosocial factors, immunologic mediation, and human susceptibility to infectious diseases: how much do we know?

    John B. Jemmott;Steven E. Locke

  • The role of mother–daughter sexual risk communication in reducing sexual risk behaviors among urban adolescent females: a prospective study

    M.Katherine Hutchinson;John B. Jemmott;Loretta Sweet Jemmott;Paula Braverman

  • ACADEMIC STRESS, POWER MOTIVATION, AND DECREASE IN SECRETION RATE OF SALIVARY SECRETORY IMMUNOGLOBULIN A

    JohnB. Jemmott;Myrin Borysenko;Robert Chapman;JoanZ. Borysenko

  • Applying the theory of reasoned action to AIDS risk behavior: condom use among black women

    Loretta Sweet Jemmott;John B. Jemmott

  • Judging health status: effects of perceived prevalence and personal relevance.

    John B. Jemmott;Peter H. Ditto;Robert T. Croyle

  • Increasing condom-use intentions among sexually active black adolescent women.

    Loretta Sweet Jemmott;John B. Jemmott

  • HIV/STD risk reduction interventions for African American and Latino adolescent girls at an adolescent medicine clinic: a randomized controlled trial.

    John B. Jemmott;Loretta Sweet Jemmott;Paula K. Braverman;Geoffrey T. Fong

  • Academic stress, social support, and secretory immunoglobulin A.

    John B. Jemmott;Kim Magloire

  • Efficacy of a Theory-Based Abstinence-Only Intervention Over 24 Months: A Randomized Controlled Trial With Young Adolescents

    John B. Jemmott;Loretta S. Jemmott;Geoffrey T. Fong

  • Self-efficacy hedonistic expectancies and condom-use intentions among inner-city black adolescent women: a social cognitive approach to AIDS risk behavior.

    John B. Jemmott;Loretta Sweet Jemmott;Hazel Spears;Nicole Hewitt

  • Reducing HIV risk-associated sexual behavior among african american adolescents: Testing the generality of intervention effects

    John B. Jemmott;Loretta Sweet Jemmott;Geoffrey T. Fong;Konstance McCaffree

  • A Randomized Controlled Trial Testing an HIV Prevention Intervention for Latino Youth

    Antonia M. Villarruel;John B. Jemmott;Loretta S. Jemmott

  • Effects on sexual risk behavior and STD rate of brief HIV/STD prevention interventions for African American women in primary care settings.

    Loretta Sweet Jemmott;John B. Jemmott;Ann O’Leary

  • Predictors of Sexual Intercourse and Condom Use Intentions Among Spanish-dominant Latino Youth: A Test of the Planned Behavior Theory

    Antonia M. Villarruel;John B. Jemmott;Loretta S. Jemmott;David L. Ronis

  • From rarity to evaluative extremity: effects of prevalence information on evaluations of positive and negative characteristics.

    Peter H. Ditto;John B. Jemmott

  • Understanding Drivers of Coronavirus Disease 2019 Vaccine Hesitancy Among Blacks.

    Florence Momplaisir;Florence Momplaisir;Norrisa Haynes;Norrisa Haynes;Hervette Nkwihoreze;Maria Nelson

  • Appraising the threat of illness: a mental representational approach.

    Peter H. Ditto;John B. Jemmott Iii;John M. Darley

  • Mediation analysis of an effective sexual risk-reduction intervention for women: the importance of self-efficacy.

    Ann O'Leary;Loretta Sweet Jemmott;John B Jemmott

  • National Institute of Mental Health Multisite Eban HIV/STD Prevention Intervention for African American HIV Serodiscordant Couples: A Cluster Randomized Trial

    Nabila El-Bassel;John B. Jemmott;J. Richard Landis;Willo Pequegnat

Frequent Co-Authors

Loretta Sweet Jemmott
Loretta Sweet Jemmott Drexel University
Ann O'Leary
Ann O'Leary Centers for Disease Control and Prevention
Geoffrey T. Fong
Geoffrey T. Fong University of Waterloo
J. Richard Landis
J. Richard Landis University of Pennsylvania
Peter H. Ditto
Peter H. Ditto University of California, Irvine
Nabila El-Bassel
Nabila El-Bassel Columbia University
Gina M. Wingood
Gina M. Wingood Columbia University
Bonita Stanton
Bonita Stanton Seton Hall University
Steven D. Pinkerton
Steven D. Pinkerton Medical College of Wisconsin
David C. McClelland
David C. McClelland Boston University

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