World's Best Scientists 2026 revealed!

D-Index & Metrics

Psychology

D-Index
45
Citations
8493
World Ranking
6682
National Ranking
671

Adam R. Nicholls 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 Adam R. Nicholls 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: 142 publications — 45th percentile

45% of scientists in this discipline score the same or lower.

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

Adam R. Nicholls 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 Adam R. Nicholls 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: 45 D-Index — 43rd percentile

43% of scientists in this discipline score the same or lower.

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

Overview

Adam R. Nicholls is affiliated with the University of Hull in the United Kingdom. Their research primarily spans the fields of psychology and medicine, with a focus on social psychology, applied psychology, sociology and political science, developmental and educational psychology, and surgery as subfields.

Their work addresses several main topics, including:

  • Motivation and Self-Concept in Sports
  • Behavioral Health and Interventions
  • Doping in Sports
  • Sport Psychology and Performance
  • Peripheral Artery Disease Management
  • Hormonal and reproductive studies
  • Ethics in Business and Education

Nicholls has contributed to a range of recent papers, such as:

  • "Coping tendencies and changes in athlete burnout over time," 2020, published in Psychology of Sport and Exercise
  • "The effects of the iPlayClean education programme on doping attitudes and susceptibility to use banned substances among high-level adolescent athletes from the UK: A cluster-randomised controlled trial," 2020, published in International Journal of Drug Policy
  • "Mental health and psychological well-being among professional rugby league players from the UK," 2020, published in BMJ Open Sport & Exercise Medicine
  • "Snitches Get Stitches and End Up in Ditches: A Systematic Review of the Factors Associated With Whistleblowing Intentions," 2021, published in Frontiers in Psychology
  • "Stressors and coping strategies in esports: a systematic review," 2024, published in International Review of Sport and Exercise Psychology

The scholar frequently publishes in several venues, including:

  • Frontiers in Psychology
  • Psychology of Sport and Exercise
  • BMJ Open Sport & Exercise Medicine
  • Journal of Vascular Surgery
  • Emerging Trends in Drugs Addictions and Health

Frequent co-authors include:

  • John L. Perry
  • Lucas R W Fairs
  • John Toner
  • Sean Pymer
  • Amy E. Harwood

The cumulative work by Adam R. Nicholls reflects multidisciplinary intersections primarily at the nexus of psychology and medicine, with an emphasis on sports psychology, doping behaviors, and behavioral health interventions. Their research also intersects with topics on ethical considerations in education and business as well as clinical areas such as peripheral artery disease management.

Best Publications

  • Coping in sport: A systematic review.

    Adam R. Nicholls;Remco C. J. Polman

  • Mental toughness, optimism, pessimism, and coping among athletes

    Adam R. Nicholls;Remco C.J. Polman;Andrew R. Levy;Susan H. Backhouse

  • Mental toughness, stress, stress appraisal, coping and coping effectiveness in sport

    Mariana Kaiseler;Remco Polman;Adam Nicholls

  • Mental toughness in sport: Achievement level, gender, age, experience, and sport type differences

    Adam R. Nicholls;Remco C.J. Polman;Andrew R. Levy;Susan H. Backhouse

  • Assessing model fit: caveats and recommendations for confirmatory factor analysis and exploratory structural equation modeling

    John L. Perry;Adam R. Nicholls;Peter J. Clough;Lee Crust

  • A path analysis of stress appraisals, emotions, coping, and performance satisfaction among athletes

    Adam R. Nicholls;Remco C.J. Polman;Andrew R. Levy

  • Stressors, coping, and coping effectiveness among professional rugby union players

    Adam R. Nicholls;Nicholas L. Holt;Remco C.J. Polman;Jonny Bloomfield

  • Type D personality, stress, and symptoms of burnout: The influence of avoidance coping and social support

    Remco Polman;Erika Borkoles;Adam R. Nicholls

  • Stressors, coping, and coping effectiveness: Gender, type of sport, and skill differences

    Adam R. Nicholls;Remco Polman;Andrew R. Levy;Jamie Taylor

  • A Phenomenological Analysis of Coping Effectiveness in Golf

    Adam R. Nicholls;Nicholas L. Holt;Remco C.J. Polman

  • Stress and Coping Among International Adolescent Golfers

    Adam R. Nicholls;Nicholas L. Holt;Remco C. J. Polman;D. Wil G. James

  • Effects of the Big Five personality dimensions on appraisal coping, and coping effectiveness in sport.

    Mariana Kaiseler;Remco C.J. Polman;Adam R. Nicholls

  • Stressors and Coping Strategies among Early and Middle Adolescent Premier League Academy Soccer Players: Differences According to Age

    Clive W. Reeves;Adam R. Nicholls;Jim McKenna

  • Mental toughness: managerial and age differences

    David C. Marchant;Remco C.J. Polman;Peter J. Clough;James G. Jackson

  • Coping self-efficacy, pre-competitive anxiety, and subjective performance among athletes

    Adam R. Nicholls;Remco Polman;Andrew R. Levy

  • Factorial validity of the Mental Toughness Questionnaire-48

    John L. Perry;Peter J. Clough;Lee Crust;Keith Earle

  • Acute sport-related stressors, coping, and emotion among professional rugby union players during training and matches

    Adam Nicholls;C. Jones;Remco Polman;Erika Borkoles

  • Think aloud: acute stress and coping strategies during golf performances

    Adam R Nicholls;Remco C J Polman

  • The Ups and Downs of Coping and Sport Achievement: An Episodic Process Analysis of Within-Person Associations

    Patrick Gaudreau;Adam Nicholls;Andrew R. Levy

  • Stressors and affective states among professional rugby union players.

    Adam Nicholls;Susan Backhouse;Remco Polman;Jim McKenna

  • Stressors, Coping, and CopingEffectiveness Among ProfessionalRugby Union Players

    Adam R. Nicholls;Nicholas L. Holt;Remco C.J. Polman;Jonny Bloomfield

Frequent Co-Authors

Remco Polman
Remco Polman Queensland University of Technology
Nicholas L. Holt
Nicholas L. Holt University of Alberta
Peter J. Clough
Peter J. Clough University of Huddersfield
Jim McKenna
Jim McKenna Leeds Beckett University
Lee Crust
Lee Crust University of Lincoln
Stephen Cobley
Stephen Cobley University of Sydney
Jonathan A. Smith
Jonathan A. Smith Birkbeck, University of London
Markus Gerber
Markus Gerber University of Basel
Patrick Gaudreau
Patrick Gaudreau University of Ottawa
Lambros Lazuras
Lambros Lazuras University of Lincoln

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