World's Best Scientists 2026 revealed!

D-Index & Metrics

Psychology

D-Index
80
Citations
34241
World Ranking
1425
National Ranking
855

Philip J. Leaf 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 Philip J. Leaf 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: 184 publications — 64th percentile

64% of scientists in this discipline score the same or lower.

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

Philip J. Leaf 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 Philip J. Leaf 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: 80 D-Index — 88th percentile

88% of scientists in this discipline score the same or lower.

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

Overview

Philip J. Leaf is affiliated with Johns Hopkins University in the United States and has published research primarily in the fields of Social Sciences and Medicine. Their work spans various subfields including Sociology and Political Science, Clinical Psychology, Health, Physiology, and Epidemiology.

The scientist's research covers a range of topics involving violence, public health, and healthcare professionals' wellbeing. Key themes include terrorism, counterterrorism, and political violence; suicide and self-harm studies; gun ownership and violence research; smoking behavior and cessation; substance abuse treatment and outcomes; alcohol consumption and health effects; and healthcare professionals' stress and burnout.

Philip J. Leaf has contributed to several recent publications, including:

  • Second Victims: Aftermath of Gun Violence and Faith-Based Responses, 2020, Journal of Religion and Health
  • Using Zoning as a Public Health Tool to Reduce Alcohol Outlet Oversaturation, Promote Compliance, and Guide Future Enforcement: a Preliminary Analysis of Transform Baltimore, 2020, Journal of Urban Health
  • The use of propensity scores to assess the generalizability of results from randomized trials, 2020, UNC Libraries
  • Health Care Workers and Burnout: A Cross-Sectional Study, 2025, AJN American Journal of Nursing

The scientist has collaborated with several frequent coauthors, such as Panagis Galiatsatos, Thomas Cudjoe, Jerrell Bratcher, Peter Heikkinen, and Sherita Hill Golden. These collaborations have appeared across multiple research outputs contributing to diverse interdisciplinary topics.

Philip J. Leaf's work has been published in venues including:

  • Journal of Religion and Health
  • Journal of Urban Health
  • UNC Libraries
  • AJN American Journal of Nursing

Best Publications

  • Multiple Imputation by Chained Equations: What is it and how does it work?

    Melissa J. Azur;Elizabeth A. Stuart;Constantine Frangakis;Philip J. Leaf

  • Six-Month Prevalence of Psychiatric Disorders in Three Communities: 1980 to 1982

    Jerome K. Myers;Myrna M. Weissman;Gary L. Tischler;Charles E. Holzer

  • The epidemiology of co-occurring addictive and mental disorders: implications for prevention and service utilization.

    Ronald C. Kessler;M.P.H. Christopher B. Nelson Ph.D.;Katherine A. McGonagle;J B S Mark Edlund

  • Examining the Overlap in Internet Harassment and School Bullying: Implications for School Intervention

    Michele L. Ybarra;Marie Diener-West;Philip J. Leaf

  • Utilization of health and mental health services. Three Epidemiologic Catchment Area sites.

    Sam Shapiro;Elizabeth A. Skinner;Larry G. Kessler;Michael Von Korff

  • Examining the Effects of Schoolwide Positive Behavioral Interventions and Supports on Student Outcomes: Results from a Randomized Controlled Effectiveness Trial in Elementary Schools.

    Catherine P. Bradshaw;Mary M. Mitchell;Philip J. Leaf

  • The prevalence and correlates of untreated serious mental illness.

    R C Kessler;P A Berglund;M L Bruce;J R Koch

  • Affective disorders in five United States communities.

    Myrna M. Weissman;Philip J. Leaf;Gary L. Tischler;Dan G. Blazer

  • Feasibility and preliminary outcomes of a school-based mindfulness intervention for urban youth

    Tamar Mendelson;Mark T. Greenberg;Jacinda K. Dariotis;Laura Feagans Gould

  • Maximizing the Implementation Quality of Evidence-Based Preventive Interventions in Schools: A Conceptual Framework

    Celene E. Domitrovich;Catherine P. Bradshaw;Jeanne M. Poduska;Kimberly Hoagwood

  • A Multilevel Study of Predictors of Student Perceptions of School Climate: The Effect of Classroom-Level Factors

    Christine W. Koth;Catherine P. Bradshaw;Philip J. Leaf

  • Mental health service use in the community and schools: Results from the four-community MECA study

    Philip J. Leaf;Margarita Alegria;Patricia Cohen;Sherryl H. Goodman

  • Barriers to children's mental health services.

    Pamela L. Owens;Kimberly Hoagwood;Sarah M. Horwitz;Philip J. Leaf

  • Altering school climate through school-wide Positive Behavioral Interventions and Supports: findings from a group-randomized effectiveness trial.

    Catherine Pilcher Bradshaw;Christine W. Koth;Leslie A. Thornton;Philip J. Leaf

  • Past-Year Use of Outpatient Services for Psychiatric Problems in the National Comorbidity Survey

    Ronald C. Kessler;Shanyang Zhao;Steven J. Katz;Anthony C. Kouzis

  • The impact of school-wide positive behavioral interventions and supports (PBIS) on the organizational health of elementary schools.

    Catherine P. Bradshaw;Christine W. Koth;Katherine B. Bevans;Nicholas Ialongo

  • Effects of School-Wide Positive Behavioral Interventions and Supports on Child Behavior Problems

    Catherine Pilcher Bradshaw;Tracy Evian Waasdorp;Philip J. Leaf

  • Multilevel Exploration of Factors Contributing to the Overrepresentation of Black Students in Office Disciplinary Referrals

    Catherine P. Bradshaw;Mary M. Mitchell;Lindsey M. O'Brennan;Philip J. Leaf

  • The use of propensity scores to assess the generalizability of results from randomized trials

    Elizabeth A. Stuart;Stephen R. Cole;Catherine P. Bradshaw;Philip J. Leaf

  • Racial differences in attitudes toward professional mental health care and in the use of services

    M.P.H. Chamberlain Diala Ph.D.;Carles Muntaner M.D.;Christine Walrath;Kim J. Nickerson

  • Student and Teacher Perceptions of School Climate: A Multilevel Exploration of Patterns of Discrepancy

    Mary M. Mitchell;Catherine P. Bradshaw;Philip J. Leaf

  • Implementation of School-Wide Positive Behavioral Interventions and Supports (PBIS) in Elementary Schools: Observations from a Randomized Trial

    Catherine Pilcher Bradshaw;Wendy M. Reinke;Louis D. Brown;Katherine B. Bevans

  • Mental health in pediatric settings: distribution of disorders and factors related to service use.

    Margaret J. Briggs-Gowan;Sarah Mc Cue Horwitz;Mary E. Schwab-Stone;John M. Leventhal

Frequent Co-Authors

Myrna M. Weissman
Myrna M. Weissman Columbia University
Martha L. Bruce
Martha L. Bruce Dartmouth College
Dan G. Blazer
Dan G. Blazer Duke University
Linda B. Cottler
Linda B. Cottler University of Florida
Arlene Rubin Stiffman
Arlene Rubin Stiffman Washington University in St. Louis
Jeffrey W. Swanson
Jeffrey W. Swanson Duke University
M. Daniele Fallin
M. Daniele Fallin Johns Hopkins University
John R. Weisz
John R. Weisz Harvard University
Kathleen R. Merikangas
Kathleen R. Merikangas National Institutes of Health
Lindsay A. Farrer
Lindsay A. Farrer Boston University

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