World's Best Scientists 2026 revealed!

D-Index & Metrics

Psychology

D-Index
65
Citations
15989
World Ranking
2835
National Ranking
1637

Marion O'Brien 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 Marion O'Brien 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: 120 publications — 32nd percentile

32% of scientists in this discipline score the same or lower.

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

Marion O'Brien 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 Marion O'Brien 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: 65 D-Index — 76th percentile

76% of scientists in this discipline score the same or lower.

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

Overview

Marion O'Brien is affiliated with the University of North Carolina at Greensboro in the United States. Their research contributions focus largely on psychosocial factors impacting youth, with publications engaging topics related to developmental psychology and social competence.

Their recent scholarly output includes work published primarily in the venue UNC Libraries. Significant papers from 2020 include "Parenting Stress, Parental Reactions, and Externalizing Behavior From Ages 4 to 10" and "Identifying developmental cascades among differentiated dimensions of social competence and emotion regulation."

  • Parenting Stress, Parental Reactions, and Externalizing Behavior From Ages 4 to 10 (2020, UNC Libraries)
  • Identifying developmental cascades among differentiated dimensions of social competence and emotion regulation (2020, UNC Libraries)

Coauthorship plays a role in their research, with frequent collaborators including Lilly Shanahan, Susan D. Calkins, Susan P. Keane, Jennifer S. Mackler, and Rachael Kelleher. Several of these coauthors have contributed to multiple joint publications.

  • Lilly Shanahan
  • Susan D. Calkins
  • Susan P. Keane
  • Jennifer S. Mackler
  • Rachael Kelleher

Their work intersects with the disciplines of sociology and political science, reflecting the subfield interest in understanding social dynamics and developmental processes in youth populations.

  • Psychosocial Factors Impacting Youth

Best Publications

  • Moderate-to-vigorous physical activity from ages 9 to 15 years.

    Philip R. Nader;Robert H. Bradley;Renate M. Houts;Susan L. McRitchie

  • Identifying risk for obesity in early childhood.

    Philip R. Nader;Philip R. Nader;Marion O'Brien;Renate Houts;Robert Bradley

  • Differential Effects of Maternal Sensitivity to Infant Distress and Nondistress on Social-Emotional Functioning

    Esther M. Leerkes;A. Nayena Blankson;Marion O’Brien

  • Family stress and parental responses to children's negative emotions: tests of the spillover, crossover, and compensatory hypotheses.

    Jackie A. Nelson;Marion O'Brien;A. Nayena Blankson;Susan D. Calkins

  • Nonmaternal Care and Family Factors in Early Development: An Overview of the NICHD Study of Early Child Care

    Virginia Allhusen;Mark Appelbaum;Jay Belsky;Cathryn L. Booth

  • Duration and Developmental Timing of Poverty and Children's Cognitive and Social Development from Birth Through Third Grade.

    Virginia Allhusen;Jay Belsky;Cathryn Booth-LaForce;Robert Bradley

  • The longitudinal relations of teacher expectations to achievement in the early school years.

    J. Benjamin Hinnant;Marion O'Brien;Sharon R. Ghazarian

  • Do regulable features of child-care homes affect children's development?

    K.Alison Clarke-Stewart;Deborah Lowe Vandell;Margaret Burchinal;Marion O’Brien

  • Child-care effect sizes for the NICHD Study of Early Child Care and Youth Development

    A Huston;C. Booth-LaForce;Robert Bradley;C. Brownell

  • Individual differences in trajectories of emotion regulation processes: The effects of maternal depressive symptomatology and children’s physiological regulation.

    Alysia Y. Blandon;Susan D. Calkins;Susan P. Keane;Marion O'Brien

  • Parenting Stress, Parental Reactions, and Externalizing Behavior From Ages 4 to 10

    Jennifer S. Mackler;Rachael T. Kelleher;Lilly Shanahan;Susan D. Calkins

  • Familial factors associated with the characteristics of nonmaternal care for infants

    Mark Appelbaum;Dee Ann Batten;Jay Belsky;Cathryn Booth

  • The Gifted and talented : developmental perspectives

    Frances Degen Horowitz;Marion O'Brien

  • Child care and children's peer interaction at 24 and 36 months: The NICHD study of early child care - NICHD early child care research network

    Mark Appelbaum;Dee Ann Batten;Jay Belsky;Cathryn Booth

  • Type of child care and children's development at 54 months

    Virginia Allhusen;Jay Belsky;Cathryn L. Booth;Robert Bradley

  • Infant-mother attachment classification: Risk and protection in relation to changing maternal caregiving quality

    Jay Belsky;Jay Belsky;Cathryn L. Booth-LaForce;Robert Bradley;Celia A. Brownell

  • Frequency and intensity of activity of third-grade children in physical education.

    Jay Belsky;Cathryn Booth;Robert Bradley;Celia A. Brownell

  • Testing a developmental cascade model of emotional and social competence and early peer acceptance

    Alysia Y. Blandon;Susan D. Calkins;Kevin J. Grimm;Susan P. Keane

  • The ecology of childhood overweight: a 12-year longitudinal analysis.

    M O'Brien;PR Nader;Renate Houts;R Bradley

  • Emotion and Cognition Processes in Preschool Children

    Esther M. Leerkes;Matthew John Paradise;Marion O'Brien;Susan D. Calkins

Frequent Co-Authors

Susan D. Calkins
Susan D. Calkins University of North Carolina at Greensboro
Esther M. Leerkes
Esther M. Leerkes University of North Carolina at Greensboro
Susan P. Keane
Susan P. Keane University of North Carolina at Greensboro
Stuart Marcovitch
Stuart Marcovitch University of North Carolina at Greensboro
Robert H. Bradley
Robert H. Bradley Arizona State University
Jay Belsky
Jay Belsky University of California, Davis
Sarah L. Friedman
Sarah L. Friedman George Washington University
Deborah Lowe Vandell
Deborah Lowe Vandell University of California, Irvine
Aletha C. Huston
Aletha C. Huston The University of Texas at Austin
Robert C. Pianta
Robert C. Pianta University of Virginia

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