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Robert J. Coplan

Robert J. Coplan

Carleton University
Canada

D-Index & Metrics

Psychology

D-Index
70
Citations
20158
World Ranking
2264
National Ranking
135

Robert J. Coplan 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 Robert J. Coplan 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: 253 publications — 81st percentile

81% of scientists in this discipline score the same or lower.

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

Robert J. Coplan 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 Robert J. Coplan 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: 70 D-Index — 81st percentile

81% of scientists in this discipline score the same or lower.

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

Overview

Robert J. Coplan is affiliated with Carleton University in Canada and specializes in psychology and social sciences. Their research focuses on child and adolescent psychosocial and emotional development, with additional work on early childhood education and development.

The main fields of study for Robert J. Coplan include:

  • Psychology
  • Social Sciences

Their subfields of study cover:

  • Clinical Psychology
  • Education
  • Social Psychology
  • Experimental and Cognitive Psychology
  • Sociology and Political Science

Core topics addressed in their work include:

  • Child and Adolescent Psychosocial and Emotional Development
  • Early Childhood Education and Development
  • Youth Substance Use and School Attendance
  • COVID-19 and Mental Health
  • Attachment and Relationship Dynamics
  • Psychological Well-being and Life Satisfaction
  • Bullying, Victimization, and Aggression

Recent papers by Robert J. Coplan demonstrate engagement with topics related to adolescence and social experiences:

  • "Social Withdrawal and Aloneliness in Adolescence: Examining the Implications of Too Much and Not Enough Solitude," 2021, Journal of Youth and Adolescence
  • "Daily routines, parent-child conflict, and psychological maladjustment among Chinese children and adolescents during the COVID-19 pandemic," 2021, Journal of Family Psychology
  • "Too Anxious to Talk: Social Anxiety, Academic Communication, and Students' Experiences in Higher Education," 2021, Journal of Emotional and Behavioral Disorders
  • "Time alone well spent? A person-centered analysis of adolescents' solitary activities," 2021, Social Development
  • "Unsociability, Peer Rejection, and Loneliness in Chinese Early Adolescents: Testing a Cross-Lagged Model," 2020, The Journal of Early Adolescence

Their frequent coauthors include:

  • Julie C. Bowker
  • Junsheng Liu
  • Bowen Xiao
  • Stefania Sette
  • Laura L. Ooi

Robert J. Coplan's work is commonly published in journals such as:

  • Social Development
  • International Journal of Behavioral Development
  • Journal of Applied Developmental Psychology
  • Journal of Child and Family Studies
  • The Journal of Genetic Psychology

Best Publications

  • Social withdrawal in childhood

    Kenneth H. Rubin;Robert J. Coplan;Julie C. Bowker

  • Do you "want" to play? Distinguishing between conflicted shyness and social disinterest in early childhood.

    Robert J. Coplan;Kavita Prakash;Kim O'Neil;Mandana Armer

  • Emotionality, emotion regulation, and preschoolers' social adaptation

    Kenneth H. Rubin;Robert J. Coplan;Nathan A. Fox;Susan D. Calkins

  • Being alone, playing alone and acting alone: Distinguishing among reticence, and passive- and active-solitude in young children.

    Robert J. Coplan;Kenneth H. Rubin;Nathan A. Fox;Susan D. Calkins

  • Don’t Fret, Be Supportive! Maternal Characteristics Linking Child Shyness to Psychosocial and School Adjustment in Kindergarten

    Robert J. Coplan;Kimberley A. Arbeau;Mandana Armer

  • Paying Attention to and Not Neglecting Social Withdrawal and Social Isolation

    Kenneth H. Rubin;Robert J. Coplan

  • Frontal activation asymmetry and social competence at four years of age.

    Nathan A. Fox;Kenneth H. Rubin;Susan D. Calkins;Timothy R. Marshall

  • Links between empathy, social behavior, and social understanding in early childhood

    Leanne C. Findlay;Alberta Girardi;Robert J. Coplan

  • Authoritative and Authoritarian Mothers' Parenting Goals, Attributions, and Emotions Across Different Childrearing Contexts

    Robert J. Coplan;Paul D. Hastings;Daniel G. Lagacé-Séguin;Caryn E. Moulton

  • Alone Is a Crowd: Social Motivations, Social Withdrawal, and Socioemotional Functioning in Later Childhood

    Robert J. Coplan;Linda Rose-Krasnor;Murray Weeks;Adam Kingsbury

  • Exploring and Assessing Nonsocial Play in the Preschool: The Development and Validation of the Preschool Play Behavior Scale

    Robert J. Coplan;Kenneth H. Rubin

  • Come out and play: Shyness in childhood and the benefits of organized sports participation.

    Leanne C. Findlay;Robert J. Coplan

  • Shyness, teacher–child relationships, and socio-emotional adjustment in grade 1

    Kimberley A. Arbeau;Robert J. Coplan;Murray Weeks

  • When girls versus boys play alone: nonsocial play and adjustment in kindergarten.

    Robert J. Coplan;Marie Hélène Gavinski-Molina;Daniel G. Lagacé-Séguin;Cherami Wichmann

  • A “Multitude” of Solitude: A Closer Look at Social Withdrawal and Nonsocial Play in Early Childhood

    Robert J. Coplan;Mandana Armer

  • Bashful Boys and Coy Girls: A Review of Gender Differences in Childhood Shyness

    Laura Doey;Robert J. Coplan;Mila Kingsbury

  • Gender differences in the behavioral associates of loneliness and social dissatisfaction in kindergarten

    Robert J. Coplan;Leanna M. Closson;Kimberley A. Arbeau

  • Exploring the associations between maternal personality, child temperament, and parenting: A focus on emotions

    Robert J. Coplan;Mila Reichel;Kimberly Rowan

  • The role of frontal activation in the regulation and dysregulation of social behavior during the preschool years

    Nathan A. Fox;Louis A. Schmidt;Susan D. Calkins;Kenneth H. Rubin

  • The Development of Shyness and Social Withdrawal.

    Kenneth H. Rubin;Robert J. Coplan

  • The handbook of solitude: Psychological perspectives on social isolation, social withdrawal, and being alone.

    Robert J. Coplan;Julie C. Bowker

Frequent Co-Authors

Junsheng Liu
Junsheng Liu East China Normal University
Xinyin Chen
Xinyin Chen University of Pennsylvania
Linda Rose-Krasnor
Linda Rose-Krasnor Brock University
Kenneth H. Rubin
Kenneth H. Rubin University of Maryland, College Park
Julie C. Bowker
Julie C. Bowker University at Buffalo, State University of New York
Barry H. Schneider
Barry H. Schneider Boston College
Charissa S. L. Cheah
Charissa S. L. Cheah University of Maryland, Baltimore County
Fiorenzo Laghi
Fiorenzo Laghi Sapienza University of Rome
John M. Zelenski
John M. Zelenski Carleton University
Roberto Baiocco
Roberto Baiocco Sapienza University of Rome

External Links

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Related Online Degrees & Career Pathways

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Best Scientists Citing Robert J. Coplan

Kenneth H. Rubin

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Publications: 36

Louis A. Schmidt

Louis A. Schmidt

McMaster University

Publications: 28

Xinyin Chen

Xinyin Chen

University of Pennsylvania

Publications: 25

Nathan A. Fox

Nathan A. Fox

University of Maryland, College Park

Publications: 24

Julie C. Bowker

Julie C. Bowker

University at Buffalo, State University of New York

Publications: 20

Nancy Eisenberg

Nancy Eisenberg

Arizona State University

Publications: 18

Koraly Pérez-Edgar

Koraly Pérez-Edgar

Pennsylvania State University

Publications: 17

Heather A. Henderson

Heather A. Henderson

University of Waterloo

Publications: 17

Kristin A. Buss

Kristin A. Buss

Pennsylvania State University

Publications: 16

Junsheng Liu

Junsheng Liu

East China Normal University

Publications: 15

Tracy L. Spinrad

Tracy L. Spinrad

Arizona State University

Publications: 14

Ronald M. Rapee

Ronald M. Rapee

Macquarie University

Publications: 14

Kathryn A. Degnan

Kathryn A. Degnan

Catholic University of America

Publications: 13

Thomas M. Olino

Thomas M. Olino

Temple University

Publications: 11

Larry J. Nelson

Larry J. Nelson

Brigham Young University

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Karen D. Rudolph

Karen D. Rudolph

University of Illinois at Urbana-Champaign

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