World's Best Scientists 2026 revealed!
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Social Sciences and Humanities
USA
2026

D-Index & Metrics

Social Sciences and Humanities

D-Index
96
Citations
34541
World Ranking
122
National Ranking
56

Thomas L. McKenzie publication distribution in Social Sciences and Humanities in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Social Sciences and Humanities in 2026. The highlighted bar marks where Thomas L. McKenzie sits on this spectrum.

44–53 publications: 28 scientists 54–63 publications: 61 scientists 64–73 publications: 161 scientists 74–83 publications: 225 scientists 84–93 publications: 301 scientists 94–103 publications: 390 scientists 104–113 publications: 406 scientists 114–123 publications: 474 scientists 124–133 publications: 453 scientists 134–143 publications: 434 scientists 144–153 publications: 407 scientists 154–163 publications: 411 scientists 164–173 publications: 391 scientists 174–183 publications: 313 scientists 184–193 publications: 319 scientists 194–203 publications: 304 scientists 204–213 publications: 285 scientists 214–223 publications: 246 scientists 224–233 publications: 213 scientists 234–243 publications: 170 scientists 244–253 publications: 167 scientists 254–263 publications: 162 scientists 264–273 publications: 138 scientists 274–283 publications: 138 scientists 284–293 publications: 113 scientists 294–303 publications: 106 scientists 304–313 publications: 95 scientists 314–323 publications: 101 scientists 324–333 publications: 81 scientists 334–343 publications: 69 scientists 344–353 publications: 56 scientists 354–363 publications: 36 scientists 364–373 publications: 42 scientists 374–383 publications: 41 scientists 384–393 publications: 44 scientists 394–403 publications: 27 scientists 404–413 publications: 30 scientists 414–423 publications: 20 scientists 424–433 publications: 29 scientists 434–443 publications: 29 scientists 444–453 publications: 25 scientists 454–463 publications: 19 scientists 464–473 publications: 21 scientists 474–483 publications: 11 scientists 484–493 publications: 17 scientists 494–503 publications: 7 scientists 504–513 publications: 6 scientists 514–523 publications: 12 scientists 524–533 publications: 10 scientists 534–543 publications: 7 scientists 544–553 publications: 6 scientists 554–563 publications: 12 scientists 564–569 publications: 8 scientists 570+ publications: 100 scientists
44 publications 570+

This scientist: 322 publications — 90th percentile

90% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 570 publications or more.

Thomas L. McKenzie D-index placement in Social Sciences and Humanities in 2026

The chart shows the D-index (discipline H-index) distribution of Social Sciences and Humanities scientists ranked by Research.com in 2026. The highlighted bar marks where Thomas L. McKenzie sits on this spectrum.

30 D-Index: 177 scientists 31 D-Index: 210 scientists 32 D-Index: 222 scientists 33 D-Index: 188 scientists 34 D-Index: 181 scientists 35 D-Index: 243 scientists 36 D-Index: 261 scientists 37 D-Index: 272 scientists 38 D-Index: 278 scientists 39 D-Index: 300 scientists 40 D-Index: 297 scientists 41 D-Index: 308 scientists 42 D-Index: 313 scientists 43 D-Index: 300 scientists 44 D-Index: 269 scientists 45 D-Index: 260 scientists 46 D-Index: 228 scientists 47 D-Index: 251 scientists 48 D-Index: 203 scientists 49 D-Index: 186 scientists 50 D-Index: 187 scientists 51 D-Index: 166 scientists 52 D-Index: 138 scientists 53 D-Index: 141 scientists 54 D-Index: 131 scientists 55 D-Index: 137 scientists 56 D-Index: 109 scientists 57 D-Index: 129 scientists 58 D-Index: 95 scientists 59 D-Index: 105 scientists 60 D-Index: 106 scientists 61 D-Index: 86 scientists 62 D-Index: 94 scientists 63 D-Index: 77 scientists 64 D-Index: 79 scientists 65 D-Index: 59 scientists 66 D-Index: 68 scientists 67 D-Index: 51 scientists 68 D-Index: 49 scientists 69 D-Index: 40 scientists 70 D-Index: 43 scientists 71 D-Index: 40 scientists 72 D-Index: 50 scientists 73 D-Index: 46 scientists 74 D-Index: 43 scientists 75 D-Index: 45 scientists 76 D-Index: 45 scientists 77 D-Index: 30 scientists 78 D-Index: 25 scientists 79 D-Index: 31 scientists 80 D-Index: 29 scientists 81 D-Index: 18 scientists 82 D-Index: 21 scientists 83 D-Index: 26 scientists 84 D-Index: 15 scientists 85 D-Index: 15 scientists 86 D-Index: 19 scientists 87 D-Index: 19 scientists 88 D-Index: 12 scientists 89 D-Index: 7 scientists 90 D-Index: 19 scientists 91 D-Index: 20 scientists 92 D-Index: 13 scientists 93 D-Index: 9 scientists 94 D-Index: 13 scientists 95 D-Index: 8 scientists 96 D-Index: 7 scientists 97 D-Index: 6 scientists 98 D-Index: 6 scientists 99 D-Index: 6 scientists 100+ D-Index: 97 scientists
30 D-Index 100+

This scientist: 96 D-Index — 99th percentile

99% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 100 D-Index or more.

Research.com Recognitions

  • 2026 - Research.com Social Sciences and Humanities in United States Leader Award
  • 2025 - Research.com Social Sciences and Humanities in United States Leader Award

Overview

Thomas L. McKenzie is affiliated with San Diego State University in the United States and has contributed extensively to the field of Medicine, particularly focusing on Public Health, Environmental and Occupational Health, Transportation, Physical Therapy, Sports Therapy and Rehabilitation, Developmental and Educational Psychology, and Physiology.

Their research covers a range of interrelated topics including:

  • Obesity, Physical Activity, Diet
  • Urban Transport and Accessibility
  • Children's Physical and Motor Development
  • Physical Activity and Health
  • Urban Green Space and Health
  • Physical Education and Pedagogy
  • Infection Control and Ventilation

Thomas L. McKenzie has numerous recent papers published in a variety of academic journals and venues. Notable works include:

  • "Systematic observation of mask adherence and distancing (SOMAD): Findings from Philadelphia," 2021, Preventive Medicine Reports
  • "Objective Assessment of Physical Activity and Associated Contexts During High School Sport Practices," 2021, Frontiers in Sports and Active Living
  • "Association of masking policies with mask adherence and distancing during the SARS-COV-2 pandemic," 2022, American Journal of Infection Control
  • "System for Observing Play and Leisure Activity in Youth: A Systematic Review of US and Canadian Studies," 2023, Journal of School Health
  • "Dataset of Spatial Room Impulse Responses in a Variable Acoustics Room for Six Degrees-of-Freedom Rendering and Analysis," 2021, arXiv (Cornell University)

The scientist frequently collaborates with other researchers, including:

  • David Kahan
  • Stephanie Williamson
  • Deborah A. Cohen
  • Kelly R. Evenson
  • Maya Satnick

Their work is often published in venues such as:

  • UNC Libraries
  • Journal of Physical Education Recreation & Dance
  • Journal of School Health
  • arXiv (Cornell University)
  • Kinesiology Review

Best Publications

  • Physical Education's Role in Public Health

    James F. Sallis;Thomas L. McKenzie

  • The effects of a 2-year physical education program (SPARK) on physical activity and fitness in elementary school students. Sports, Play and Active Recreation for Kids.

    J F Sallis;T L McKenzie;J E Alcaraz;B Kolody

  • Contribution of Public Parks to Physical Activity

    Deborah A. Cohen;Thomas L. McKenzie;Amber Sehgal;Stephanie Williamson

  • Promoting Physical Activity in Children and Youth A Leadership Role for Schools: A Scientific Statement From the American Heart Association Council on Nutrition, Physical Activity, and Metabolism (Physical Activity Committee) in Collaboration With the Councils on Cardiovascular Disease in the Young and Cardiovascular Nursing

    Russell R. Pate;Michael G. Davis;Thomas N. Robinson;Elaine J. Stone

  • EFFECTS OF HEALTH-RELATED PHYSICAL EDUCATION ON ACADEMIC ACHIEVEMENT : PROJECT SPARK

    James F. Sallis;Thomas L. McKenzie;Bohdan Kolody;Michael Lewis

  • Physical Activity Behavior Change: Issues in Adoption and Maintenance

    Bess H. Marcus;LeighAnn H. Forsyth;Elaine J. Stone;Patricia M. Dubbert

  • SOFIT: System for Observing Fitness Instruction Time

    Thomas L. McKenzie;James F. Sallis;Philip R. Nader

  • Environmental interventions for eating and physical activity: a randomized controlled trial in middle schools.

    James F Sallis;Thomas L McKenzie;Terry L Conway;John P Elder

  • Effects of physical activity interventions in youth: Review and synthesis

    Elaine J Stone;Thomas L McKenzie;Gregory J Welk;Michael L Booth

  • Evaluating Evaluations: The Case of Parent Involvement Programs:

    Doreen J. Mattingly;Radmila Prislin;Thomas L. McKenzie;James L. Rodriguez

  • The association of school environments with youth physical activity.

    James F. Sallis;Terry L. Conway;Judith J. Prochaska;Thomas L. Mckenzie

  • System for Observing Play and Recreation in Communities (SOPARC): Reliability and Feasibility Measures

    Thomas L. McKenzie;Deborah A. Cohen;Amber Sehgal;Stephanie Williamson

  • Leisure-time physical activity in school environments: an observational study using SOPLAY.

    Thomas L. McKenzie;Simon J. Marshall;James F. Sallis;Terry L. Conway

  • Public Parks and Physical Activity Among Adolescent Girls

    Deborah A. Cohen;J Scott Scott Ashwood;Molly M. Scott;Adrian Overton

  • Correlates of physical activity at home in Mexican-American and Anglo-American preschool children.

    James F. Sallis;Philip R. Nader;Shelia L. Broyles;Charles C. Berry

  • School Physical Education: Effect of the Child and Adolescent Trial for Cardiovascular Health

    Thomas L. McKenzie;Thomas L. McKenzie;Philip R. Nader;Patricia K. Strikmiller;Minhua Yang

  • Physical Education's Role in Public Health: Steps Forward and Backward over 20 Years and HOPE for the Future.

    James F. Sallis;Thomas L. McKenzie;Michael W. Beets;Aaron Beighle

  • Student Activity Levels, Lesson Context, and Teacher Behavior during Middle School Physical Education

    Thomas L. McKenzie;Simon J. Marshall;James F. Sallis;Terry L. Conway

  • Predictors of Change in Children's Physical Activity Over 20 Months Variations by Gender and Level of Adiposity

    James F Sallis;John E Alcaraz;Thomas L McKenzie;Melbourne F Hovell

  • Parks and physical activity: why are some parks used more than others?

    Deborah A. Cohen;Terry Marsh;Stephanie Williamson;Kathryn Pitkin Derose

  • Parental behavior in relation to physical activity and fitness in 9-year-old children.

    James F. Sallis;John E. Alcaraz;Thomas L. McKenzie;Melbourne F. Hovell

Frequent Co-Authors

James F. Sallis
James F. Sallis University of California, San Diego
Deborah A. Cohen
Deborah A. Cohen Kaiser Permanente
John P. Elder
John P. Elder San Diego State University
Kelly R. Evenson
Kelly R. Evenson University of North Carolina at Chapel Hill
Cindy H.P. Sit
Cindy H.P. Sit Chinese University of Hong Kong
Charles C. Berry
Charles C. Berry University of California, San Diego
Daniela Golinelli
Daniela Golinelli RAND Corporation
Guadalupe X. Ayala
Guadalupe X. Ayala San Diego State University
Bohdan Kolody
Bohdan Kolody San Diego State University
Ester Cerin
Ester Cerin Australian Catholic University

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