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Herman P. Schaalma

Herman P. Schaalma

D-Index & Metrics

Psychology

D-Index
51
Citations
9507
World Ranking
5251
National Ranking
247

Herman P. Schaalma 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 Herman P. Schaalma 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: 117 publications — 30th percentile

30% of scientists in this discipline score the same or lower.

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

Herman P. Schaalma 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 Herman P. Schaalma 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: 51 D-Index — 56th percentile

56% of scientists in this discipline score the same or lower.

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

Overview

Herman P. Schaalma is affiliated with Maastricht University in the Netherlands. Their academic career is connected primarily to this institution, where they have engaged in research and scholarly activities.

There are no recent papers, frequent co-authors, or specific publication venues listed for Herman P. Schaalma at this time.

Additionally, there are no recorded book publications, main fields or subfields of study, or main topics of work available in the data provided.

No awards or honors have been documented for this scientist.

Given the current data, the profile primarily highlights the institutional affiliation without further detailed information on research contributions or specific academic interests.

Best Publications

  • Self-esteem in a broad-spectrum approach for mental health promotion

    Michal Mann;Clemens M H Hosman;Herman P Schaalma;Nanne K de Vries

  • Physical exercise habit: on the conceptualization and formation of habitual health behaviours

    Henk Aarts;Theo Paulussen;Herman Schaalma

  • Intervention mapping: protocol for applying health psychology theory to prevention programmes

    Gerjo Kok;Herman Schaalma;Robert A. C. Ruiter;Pepijn Van Empelen

  • Why don't young people volunteer to give blood? An investigation of the correlates of donation intentions among young nondonors.

    K.P.H. Lemmens;C. Abraham;T. Hoekstra;R.A.C. Ruiter

  • Planning health promotion programs: An intervention mapping approach, 2nd ed.

    L. Kay Bartholomew;Guy S. Parcel;Gerjo Kok;Nell H. Gottlieb

  • Determinants of consistent condom use by adolescents: the impact of experience of sexual intercourse

    Herman Schaalma;Gerjo Kok;Louk Peters

  • HIV-related stigma and psychological distress: The harmful effects of specific stigma manifestations in various social settings

    Sarah E Stutterheim;John B Pryor;Arjan E R Bos;Robert Hoogendijk

  • Standard care impact on effects of highly active antiretroviral therapy adherence interventions: A meta-analysis of randomized controlled trials.

    Marijn de Bruin;Wolfgang Viechtbauer;Herman P. Schaalma;Gerjo Kok

  • Sex education as health promotion: What does it take?

    Herman P. Schaalma;Charles Abraham;Mary Rogers Gillmore;Gerjo Kok

  • Reducing AIDS-related stigma in developing countries: the importance of theory- and evidence-based interventions.

    Arjan E R Bos;Herman P Schaalma;John B Pryor

  • Standard care quality determines treatment outcomes in control groups of HAART-adherence intervention studies: implications for the interpretation and comparison of intervention effects

    Marijn de Bruin;Wolfgang Viechtbauer;Harm J. Hospers;Herman P. Schaalma

  • Fear of stigmatization as barrier to voluntary HIV counselling and testing in South Africa.

    Annemarie E Meiberg;Arjan E R Bos;Hans E Onya;Herman P Schaalma

  • Determinants of adolescent bicycle use for transportation and snacking behavior

    Gert-Jan de Bruijn;Stef P J Kremers;Herman Schaalma;Willem van Mechelen

  • Changing self-esteem in children and adolescents: a roadmap for future interventions

    Arjan E. R. Bos;Peter Muris;Sandra Mulkens;Herman P. Schaalma

  • Psychological and social correlates of HIV status disclosure: the significance of stigma visibility.

    Sarah E. Stutterheim;Arjan E. R. Bos;John B. Pryor;Ronald Brands

  • Modelling antecedents of blood donation motivation among non-donors of varying age and education

    K. P. H. Lemmens;C. Abraham;R. A. C. Ruiter;I. J. T. Veldhuizen

  • Promoting sexual and reproductive health in early adolescence in South Africa and Tanzania : Development of a theory- and evidence- based intervention programme

    Leif Edvard Aarø;Alan J. Flisher;Sylvia Kaaya;Hans Onya

  • A review of studies of sexual behaviour of school students in sub-Saharan Africa.

    Sylvia F. Kaaya;Alan J. Flisher;Jessie K. Mbwambo;Herman Schaalma

  • Process evaluation of the teacher training for an AIDS prevention programme

    Nazeema Ahmed;Alan J. Flisher;Catherine Mathews;Catherine Mathews;Shahieda Jansen

  • Factors associated with teachers' implementation of HIV/AIDS education in secondary schools in Cape Town, South Africa

    Mathews C;Boon H;Flisher Aj;Schaalma Hp

  • Psychological and social correlates of hiv status disclosure : The significance of stigma visibility

    Sarah Stutterheim;Ronald Brands;John Pryor;Arjan Bos

Frequent Co-Authors

Gerjo Kok
Gerjo Kok Maastricht University
Robert A. C. Ruiter
Robert A. C. Ruiter Maastricht University
Arjan E. R. Bos
Arjan E. R. Bos The Open University
Sylvia Kaaya
Sylvia Kaaya Muhimbili University of Health and Allied Sciences
Charles Abraham
Charles Abraham University of Exeter
Johannes Brug
Johannes Brug Utrecht University
Catherine Mathews
Catherine Mathews South African Medical Research Council
Alan J. Flisher
Alan J. Flisher University of Cape Town
Henk Aarts
Henk Aarts Utrecht University
John B. Pryor
John B. Pryor Illinois State University

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