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Robert J. Coplan

Robert J. Coplan

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Psychology 70 2264 2064 135 122 253 20158

Robert J. Coplan publications per year

The chart shows the history of publications by Robert J. Coplan between 1994 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Robert J. Coplan published across 32 years, from 1994 to 2025, averaging 9.2 papers a year. Output peaked at 24 publications in 2021. 29 of the 295 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1994 to 2025. Vertical axis: number of publications, 0 to 24. Peak 24 publications in 2021. 1994: 2 publications 1995: 3 publications 1996: 2 publications 1997: 0 publications 1998: 2 publications 1999: 5 publications 2000: 1 publication 2001: 4 publications 2002: 2 publications 2003: 4 publications 2004: 5 publications 2005: 4 publications 2006: 2 publications 2007: 6 publications 2008: 5 publications 2009: 9 publications 2010: 10 publications 2011: 6 publications 2012: 6 publications 2013: 11 publications 2014: 13 publications 2015: 17 publications 2016: 21 publications 2017: 16 publications 2018: 21 publications 2019: 9 publications 2020: 14 publications 2021: 24 publications 2022: 18 publications 2023: 24 publications 2024: 12 publications 2025: 17 publications
1994 2025

295 publications in total across all disciplines

View publications per year as a table
Robert J. Coplan: publications per year, 1994 to 2025
Year Publications
1994 2
1995 3
1996 2
1997 0
1998 2
1999 5
2000 1
2001 4
2002 2
2003 4
2004 5
2005 4
2006 2
2007 6
2008 5
2009 9
2010 10
2011 6
2012 6
2013 11
2014 13
2015 17
2016 21
2017 16
2018 21
2019 9
2020 14
2021 24
2022 18
2023 24
2024 12
2025 17
Total 295
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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.

No. of scientists
200 400 600
Bar chart with 69 bars. Horizontal axis: publications, 31–40 to 705+. Vertical axis: number of scientists, 0 to 736. Most scientists, 736, have 101–110 publications. The last bar groups every scientist with 705 publications or more. The highlighted bar, 251–260 publications, is where this scientist sits. 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
31–40 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.

View publications distribution as a table
Number of Psychology scientists by publication count, Research.com 2026 ranking edition. Based on 11,416 ranked scientists.
Publications Scientists This scientist
31–40 6
41–50 52
51–60 138
61–70 299
71–80 461
81–90 605
91–100 713
101–110 736
111–120 686
121–130 670
131–140 644
141–150 597
151–160 576
161–170 477
171–180 450
181–190 397
191–200 343
201–210 328
211–220 313
221–230 283
231–240 226
241–250 196
251–260 201 253
261–270 171
271–280 151
281–290 139
291–300 113
301–310 102
311–320 100
321–330 76
331–340 92
341–350 85
351–360 69
361–370 71
371–380 63
381–390 58
391–400 57
401–410 43
411–420 33
421–430 50
431–440 41
441–450 32
451–460 27
461–470 28
471–480 25
481–490 28
491–500 20
501–510 23
511–520 26
521–530 17
531–540 21
541–550 14
551–560 16
561–570 10
571–580 22
581–590 9
591–600 14
601–610 9
611–620 11
621–630 4
631–640 7
641–650 5
651–660 10
661–670 8
671–680 8
681–690 4
691–700 3
701–704 4
705+ 100
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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.

No. of scientists
200 400 600
Bar chart with 58 bars. Horizontal axis: D-Index, 30–31 to 144+. Vertical axis: number of scientists, 0 to 702. Most scientists, 702, have 32–33 D-Index. The last bar groups every scientist with 144 D-Index or more. The highlighted bar, 70–71 D-Index, is where this scientist sits. 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
30–31 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.

View D-Index distribution as a table
Number of Psychology scientists by D-index, Research.com 2026 ranking edition. Based on 11,416 ranked scientists.
D-Index Scientists This scientist
30–31 398
32–33 702
34–35 671
36–37 659
38–39 641
40–41 671
42–43 617
44–45 558
46–47 495
48–49 487
50–51 445
52–53 390
54–55 408
56–57 345
58–59 325
60–61 321
62–63 248
64–65 290
66–67 218
68–69 219
70–71 215 70
72–73 183
74–75 169
76–77 132
78–79 137
80–81 120
82–83 112
84–85 86
86–87 101
88–89 83
90–91 77
92–93 70
94–95 78
96–97 58
98–99 53
100–101 57
102–103 48
104–105 53
106–107 46
108–109 24
110–111 35
112–113 27
114–115 32
116–117 31
118–119 22
120–121 16
122–123 24
124–125 18
126–127 11
128–129 19
130–131 10
132–133 16
134–135 10
136–137 12
138–139 8
140–141 5
142–143 12
144+ 98
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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

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