World's Best Scientists 2026 revealed!
Jaap Peen

Jaap Peen

D-Index & Metrics

Psychology

D-Index
32
Citations
4481
World Ranking
10900
National Ranking
476

Jaap Peen 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 Jaap Peen 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: 124 publications — 35th percentile

35% of scientists in this discipline score the same or lower.

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

Jaap Peen 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 Jaap Peen 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: 32 D-Index — 6th percentile

6% of scientists in this discipline score the same or lower.

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

Best Publications

  • The current status of urban-rural differences in psychiatric disorders

    J. Peen;R. Schoevers;A.T.F. Beekman;J.J.M. Dekker

  • Combining psychotherapy and antidepressants in the treatment of depression

    F de Jonghe;S Kool;G van Aalst;J Dekker

  • The efficacy of cognitive-behavioral therapy and psychodynamic therapy in the outpatient treatment of major depression: a randomized clinical trial.

    Ellen Driessen;Henricus L. Van;Frank J. Don;Jaap Peen

  • Clinical use of the Hamilton Depression Rating Scale: is increased efficiency possible? A post hoc comparison of Hamilton Depression Rating Scale, Maier and Bech subscales, Clinical Global Impression, and Symptom Checklist-90 scores

    Henricus G. Ruhé;Jack J. Dekker;Jaap Peen;Rebecca Holman

  • Is the prevalence of psychiatric disorders associated with urbanization

    Jaap Peen;Jack Dekker;Robert A. Schoevers;Margreet ten Have

  • Dose-effect relations in time-limited combined psycho-pharmacological treatment for depression

    J.J.M. Dekker;P. Molenaar;S. Kool;G. van Aalst

  • Sensitivity and specificity of the Major Depression Inventory in outpatients

    Pim Cuijpers;Jack Dekker;Annemieke Noteboom;Niels Smits

  • Short psychodynamic supportive psychotherapy, antidepressants, and their combination in the treatment of major depression: a mega-analysis based on three randomized clinical trials

    Saskia de Maat;Jack Dekker;Robert Schoevers;Gerda van Aalst

  • Optimizing psychotherapy dosage for comorbid depression and personality disorders (PsyDos): a pragmatic randomized factorial trial using schema therapy and short-term psychodynamic psychotherapy.

    Marit Kool;Henricus L. Van;Anna Bartak;Saskia C. M. de Maat

  • Cognitive Behavioral Therapy versus Short Psychodynamic Supportive Psychotherapy in the outpatient treatment of depression: a randomized controlled trial

    Ellen Driessen;Henricus L Van;Robert A Schoevers;Pim Cuijpers

  • Speed of action: The relative efficacy of short psychodynamic supportive psychotherapy and pharmacotherapy in the first 8 weeks of a treatment algorithm for depression.

    J. J. M. Dekker;J. A. Koelen;H. L. Van;Robert Schoevers

  • Loneliness, social network size and mortality in older adults: a meta-analysis

    Unknown

  • Victimisation in adults with severe mental illness: prevalence and risk factors.

    Liselotte D. de Mooij;Martijn Kikkert;Nick M. Lommerse;Jaap Peen

  • Effectiveness of Integrated Dual Diagnosis Treatment (IDDT) in severe mental illness outpatients with a co-occurring substance use disorder.

    Martijn Kikkert;Anneke Goudriaan;Marleen de Waal;Jaap Peen

  • Symptom-Specific Effects of Psychotherapy versus Combined Therapy in the Treatment of Mild to Moderate Depression: A Network Approach

    Ella Bekhuis;Robert Schoevers;Marrit de Boer;Jaap Peen

  • Psychotherapy or medication for depression? Using individual symptom meta-analyses to derive a Symptom-Oriented Therapy (SOrT) metric for a personalised psychiatry

    Nils Kappelmann;Martin Rein;Julia Fietz;Helen S. Mayberg;Helen S. Mayberg

  • Psychiatric disorders and urbanization in Germany.

    Jack J. M. Dekker;Jaap Peen;Jurrijn Koelen;Filip Smit

  • Day hospital mentalization-based treatment v. specialist treatment as usual in patients with borderline personality disorder: randomized controlled trial.

    Elisabeth M.P. Laurenssen;Patrick Luyten;Martijn J. Kikkert;Dieuwertje Westra

  • Cognitive-behavioral versus psychodynamic therapy for major depression: Secondary outcomes of a randomized clinical trial.

    Ellen Driessen;Henricus L. Van;Jaap Peen;Frank J. Don

  • Is there a dose-effect relationship between the number of psychotherapy sessions and improvement of social functioning?

    Pieter J. Molenaar;Yvette Boom;Jaap Peen;Robert A. Schoevers

Frequent Co-Authors

Jack Dekker
Jack Dekker Vrije Universiteit Amsterdam
Robert A. Schoevers
Robert A. Schoevers University Medical Center Groningen
Pim Cuijpers
Pim Cuijpers Vrije Universiteit Amsterdam
Jos W. R. Twisk
Jos W. R. Twisk Amsterdam UMC
Aartjan T.F. Beekman
Aartjan T.F. Beekman Vrije Universiteit Amsterdam
Joost Dekker
Joost Dekker University of Amsterdam
Claudi L H Bockting
Claudi L H Bockting University of Amsterdam
Patrick Luyten
Patrick Luyten University College London
Jacques P. Barber
Jacques P. Barber Adelphi University
Silvana Grandi
Silvana Grandi University of Bologna

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