World's Best Scientists 2026 revealed!

D-Index & Metrics

Psychology

D-Index
40
Citations
9688
World Ranking
8103
National Ranking
4346

John R. Knight 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 R. Knight 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: 118 publications — 31st percentile

31% of scientists in this discipline score the same or lower.

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

John R. Knight 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 R. Knight 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: 40 D-Index — 30th percentile

30% of scientists in this discipline score the same or lower.

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

Overview

John R. Knight is affiliated with Boston Children's Hospital in the United States. Their research spans multiple disciplines, primarily within medicine and psychology, with notable contributions in subfields such as radiology, nuclear medicine and imaging, epidemiology, pediatrics, perinatology and child health, applied psychology, and social psychology.

The scientist's research extensively addresses topics including substance abuse treatment and outcomes, prenatal substance exposure effects, digital mental health interventions, forgiveness and related behaviors, grief and bereavement in mental health, religion, spirituality and psychology, as well as global cancer incidence and screening.

Recent publications include the following papers:

  • Pediatric Primary Care Provider Perspectives on a Computer-Facilitated Screening and Brief Intervention System for Adolescent Substance Use (2020), Journal of Adolescent Health
  • Adolescent Gender and Age Differences in Religiously and Spiritually Motivated Types of Forgiveness and the Relationship to Depressive Symptoms (2021), Journal of Religion and Health
  • Patient and Radiologist Demographics Influence Perceptions of Screening Mammography Reports (2022), Journal of the American College of Radiology
  • Contrast-Enhanced In-Phase Dixon Sequence: Impact on Biopsy Clip Detection on Breast MRI (2022), American Journal of Roentgenology
  • Distribution, Period of Gravidity, and Host Identification for the Narrow Pigtoe Mussel (2020), Journal of Fish and Wildlife Management

The venues where their work has frequently been published consist of:

  • Journal of Adolescent Health
  • Journal of Religion and Health
  • Journal of the American College of Radiology
  • American Journal of Roentgenology
  • Journal of Fish and Wildlife Management

Frequent coauthors contributing to their research include:

  • Sion Kim Harris
  • Erin B. Gibson
  • Jordan A. Levinson
  • Lon Sherritt
  • Kateryna Kuzubova

Best Publications

  • Non-medical use of prescription stimulants among US college students: prevalence and correlates from a national survey

    Sean Esteban McCabe;John R. Knight;Christian J. Teter;Henry Wechsler

  • Alcohol abuse and dependence among U.S. college students

    John R Knight;Henry Wechsler;Meichun Kuo;Mark Seibring

  • Validity of the CRAFFT substance abuse screening test among adolescent clinic patients.

    John R. Knight;Lon Sherritt;Lydia A. Shrier;Sion Kim Harris

  • A new brief screen for adolescent substance abuse.

    John R. Knight;Lydia A. Shrier;Terrill D. Bravender;Michelle Farrell

  • Attention-Deficit/Hyperactivity Disorder Among Adolescents: A Review of the Diagnosis, Treatment, and Clinical Implications

    Mark L. Wolraich;Charles J. Wibbelsman;Thomas E. Brown;Steven W. Evans

  • Validity of brief alcohol screening tests among adolescents: a comparison of the AUDIT, POSIT, CAGE, and CRAFFT.

    John R. Knight;Lon Sherritt;Lon Sherritt;Sion Kim Harris;Elizabeth C. Gates

  • Nonmedical use of prescription opioids among U.S. college students: Prevalence and correlates from a national survey

    Sean Esteban McCabe;Christian J. Teter;Carol J. Boyd;John R. Knight

  • Methadone Safety: A Clinical Practice Guideline From the American Pain Society and College on Problems of Drug Dependence, in Collaboration With the Heart Rhythm Society

    Roger Chou;Ricardo A. Cruciani;David A. Fiellin;Peggy Compton

  • Substance use problems and associated psychiatric symptoms among adolescents in primary care.

    Lydia A. Shrier;Sion K. Harris;Martha Kurland;John R. Knight

  • Body modification and substance use in adolescents: is there a link?

    Traci L Brooks;Elizabeth R Woods;John R Knight;Lydia A Shrier

  • The "Six T's": barriers to screening teens for substance abuse in primary care.

    Shari Van Hook;Shari Van Hook;Sion Kim Harris;Sion Kim Harris;Traci Brooks;Peggy Carey

  • Reliability and validity of the brief multidimensional measure of religiousness/spirituality among adolescents.

    Sion Kim Harris;Sion Kim Harris;Lon R. Sherritt;Lon R. Sherritt;David W. Holder;David W. Holder;John Kulig;John Kulig

  • Are Clinical Impressions of Adolescent Substance Use Accurate

    Celeste R. Wilson;Celeste R. Wilson;Lon Sherritt;Erin Gates;John R. Knight;John R. Knight

  • Computer-Facilitated Substance Use Screening and Brief Advice for Teens in Primary Care: An International Trial

    Sion Kim Harris;Ladislav Csémy;Lon Sherritt;Olga Starostova

  • Test-retest reliability of adolescents' self-report of substance use.

    Sharon Levy;Lon Sherritt;Lon Sherritt;Sion Kim Harris;Elizabeth C. Gates;Elizabeth C. Gates

  • Screening and brief intervention for alcohol and other abuse.

    Sion Kim Harris;Jennifer Louis-Jacques;John R Knight

  • Alcohol use and abuse: A pediatric concern

    Edward A. Jacobs;Alain Joffe;John R. Knight;John Kulig

  • Medical marijuana: review of the science and implications for developmental-behavioral pediatric practice.

    Scott E. Hadland;John R. Knight;Sion K. Harris

  • Erratum: Non-medical use of prescription stimulants among US college students: Prevalence and correlates from a national survey (Addiction (2005) 100 (96-106))

    S. E. McCabe;J. R. Knight;C. J. Teter;H. Wechsler

  • Alcohol use and religiousness/spirituality among adolescents.

    John R. Knight;Lon Sherritt;Sion Kim Harris;David W. Holder

  • Adolescent substance use screening in primary care: Validity of computer self-administered versus clinician-administered screening

    Sion Kim Harris;John Rogers Knight;Shari Van Hook;Lon Sherritt

Frequent Co-Authors

Sion Kim Harris
Sion Kim Harris Boston Children's Hospital
Henry Wechsler
Henry Wechsler Harvard University
Constance Weisner
Constance Weisner Kaiser Permanente
Emily C. Williams
Emily C. Williams University of Washington
Sean Esteban McCabe
Sean Esteban McCabe University of Michigan–Ann Arbor
Nathan B. Hansen
Nathan B. Hansen University of Georgia
David A. Fiellin
David A. Fiellin Yale University
Barry S. Brown
Barry S. Brown University of North Carolina Wilmington
John A. Cunningham
John A. Cunningham Centre for Addiction and Mental Health
Amy C. Justice
Amy C. Justice Yale University

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Related Online Degrees & Career Pathways

If you are considering a career in psychology or counseling in the USA, pursuing an online degree can be a flexible and convenient option. Many accredited universities now offer online psychology programs that can lead to a variety of professional pathways, such as clinical practice, research, and education.

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States such as Maine also have detailed guidelines. Reviewing lpc licensure requirements in Maine or understanding how to get an lpc license in Maryland can help you plan your academic and professional journey effectively.

By researching state-specific licensure pathways and choosing an accredited online degree, you’ll be better prepared to pursue your desired career in psychology or counseling.

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