World's Best Scientists 2026 revealed!

D-Index & Metrics

Psychology

D-Index
100
Citations
30787
World Ranking
633
National Ranking
32

Hans M. Koot 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 Hans M. Koot 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: 487 publications — 97th percentile

97% of scientists in this discipline score the same or lower.

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

Hans M. Koot 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 Hans M. Koot 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: 100 D-Index — 95th percentile

95% of scientists in this discipline score the same or lower.

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

Overview

Hans M. Koot is affiliated with Vrije Universiteit Amsterdam in the Netherlands and has contributed to research primarily in the fields of Medicine and Psychology, with an emphasis on Clinical Psychology and Pediatrics, Perinatology and Child Health. Their work integrates multiple subfields including Education, Infectious Diseases, and Social Psychology.

Their research topics focus extensively on HIV/AIDS Research and Interventions, along with Child and Adolescent Psychosocial and Emotional Development. Other significant topics include Neonatal and fetal brain pathology, Early Childhood Education and Development, Infant Development and Preterm Care, Family Caregiving in Mental Illness, and Family and Disability Support Research.

Recent papers authored or co-authored by Hans M. Koot include:

  • The reliability, validity and factorial structure of the Swahili version of the 7-item generalized anxiety disorder scale (GAD-7) among adults living with HIV from Kilifi, Kenya (2020), published in Annals of General Psychiatry
  • Prevalence and factors associated with common mental disorders in young people living with HIV in sub-Saharan Africa: a systematic review (2021), published in Journal of the International AIDS Society
  • Validation of a Swahili version of the 9-item Patient Health Questionnaire (PHQ-9) among adults living with HIV compared to a community sample from Kilifi, Kenya (2020), published in Journal of Affective Disorders Reports
  • Psychosocial and mental health challenges faced by emerging adults living with HIV and support systems aiding their positive coping: a qualitative study from the Kenyan coast (2022), published in BMC Public Health
  • Prevalence, risk and protective indicators of common mental disorders among young people living with HIV compared to their uninfected peers from the Kenyan coast: a cross-sectional study (2021), published in BMC Psychiatry

Hans M. Koot frequently collaborates with several co-authors, including:

  • Charles R. Newton
  • Amina Abubakar
  • Dorcas N. Magai
  • Paul Mwangi
  • Esther Chongwo

Their work has been published in venues such as Harvard Dataverse, Child Psychiatry & Human Development, BMC Psychiatry, ALPHA PSYCHIATRY, and Wellcome Open Research. These platforms reflect the interdisciplinary nature of their research spanning psychiatry, child development, and public health.

Best Publications

  • The normative development of child and adolescent problem behavior

    Ilja L. Bongers;Hans M. Koot;Jan van der Ende;Frank C. Verhulst

  • Developmental Trajectories of Externalizing Behaviors in Childhood and Adolescence

    Ilja L. Bongers;Hans M. Koot;Jan van der Ende;Frank C. Verhulst

  • Emotional and behavioral problems in children and adolescents with and without intellectual disability

    Marielle C. Dekker;Hans M. Koot;Hans M. Koot;Jan van der Ende;Frank C. Verhulst

  • Quality of life measurement in children and adolescents: issues, instruments, and applications.

    Jan L. Wallander;Margaret Schmitt;Hans M. Koot

  • Multidimensional assessment of emotion regulation difficulties in adolescents using the Difficulties in Emotion Regulation Scale.

    Anna Neumann;Pol A. C. van Lier;Kim L. Gratz;Hans M. Koot

  • The Early Childhood Aggression Curve: Development of Physical Aggression in 10- to 50-Month-Old Children

    Lenneke R. A. Alink;Judi Mesman;Jantien van Zeijl;Mirjam N. Stolk

  • The reliability and validity of the COMFORT scale as a postoperative pain instrument in 0 to 3-year-old infants.

    Monique van Dijk;Josien B de Boer;Hans M Koot;Dick Tibboel

  • DSM-IV disorders in children with borderline to moderate intellectual disability. I: prevalence and impact.

    Marielle C. Dekker;Hans M. Koot

  • Prosocial Behavior in Adolescence: Gender Differences in Development and Links with Empathy.

    Jolien Van der Graaff;Gustavo Carlo;Elisabetta Crocetti;Hans M. Koot

  • Attachment-based intervention for enhancing sensitive discipline in mothers of 1- to 3-year-old children at risk for externalizing behavior problems: a randomized controlled trial.

    Jantien Van Zeijl;Judi Mesman;Marinus H. Van IJzendoorn;Marian J. Bakermans-Kranenburg

  • Preschool Developmental Pathways to Preadolescent Internalizing and Externalizing Problems

    Judi Mesman;Ilja L. Bongers;Hans M. Koot

  • Sex differences in the timing of identification among children and adults with autism spectrum disorders.

    Sander Begeer;Sander Begeer;David Mandell;Bernadette Wijnker-Holmes;Stance Venderbosch

  • Cortisol and externalizing behavior in children and adolescents: mixed meta-analytic evidence for the inverse relation of basal cortisol and cortisol reactivity with externalizing behavior.

    Lenneke R.A. Alink;Marinus H. van IJzendoorn;Marian J. Bakermans-Kranenburg;Judi Mesman

  • Parenting stress and autism: The role of age, autism severity, quality of life and problem behaviour of children and adolescents with autism

    Rebecca L McStay;Cheryl Dissanayake;Anke Scheeren;Hans M Koot

  • Early Preschool Predictors of Preadolescent Internalizing and Externalizing DSM-IV Diagnoses

    Judi Mesman;Hans M. Koot

  • Differential predictive value of parents' and teachers' reports of children's problem behaviors: A longitudinal study

    Frank C. Verhulst;Hans M. Koot;Jan Van der Ende

  • Manual for the Developmental Behaviour Checklist: Primary Carer Version (DBC-P) and Teacher Version (DBC-T) (2nd ed.)

    Stewart Einfeld;Bruce John Tonge;Kylie Megan Gray;Avril Vaux Brereton

  • INFLUENCE OF TIMING AND DOSE OF THYROID HORMONE REPLACEMENT ON DEVELOPMENT IN INFANTS WITH CONGENITAL HYPOTHYROIDISM

    Jacoba J. Bongers-Schokking;Hans M. Koot;Diet Wiersma;Paul H. Verkerk

  • Quality of life in children with psychiatric disorders: self-, parent, and clinician report.

    Dennis Bastiaansen;Hans M. Koot;Robert F. Ferdinand;Frank C. Verhulst

  • Underdiagnosis and Referral Bias of Autism in Ethnic Minorities

    Sander Begeer;Saloua El Bouk;Wafaa Boussaid;Mark Meerum Terwogt

Frequent Co-Authors

Wim Meeus
Wim Meeus Utrecht University
Susan Branje
Susan Branje Utrecht University
Pol A. C. van Lier
Pol A. C. van Lier Vrije Universiteit Amsterdam
Frank C. Verhulst
Frank C. Verhulst Erasmus University Rotterdam
Charles R. Newton
Charles R. Newton University of Oxford
Judi Mesman
Judi Mesman Leiden University
Pim Cuijpers
Pim Cuijpers Vrije Universiteit Amsterdam
Femmie Juffer
Femmie Juffer Leiden University
Marian J. Bakermans-Kranenburg
Marian J. Bakermans-Kranenburg ISPA - University Institute of Psychological, Social and Life Sciences
Loes Keijsers
Loes Keijsers Erasmus University Rotterdam

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Related Online Degrees & Career Pathways

Pursuing a degree in psychology opens the door to a range of rewarding online programs and professional opportunities. Earning a graduate degree is an important step toward becoming a Licensed Professional Counselor (LPC) in the USA. However, licensure requirements vary by state, with each state setting specific education, exam, and supervised experience standards.

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Exploring these pathways can help you choose the ideal psychology program and prepare for the diverse career options available for aspiring counselors across the USA.

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