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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Psychology 61 3410 3145 172 165 242 12717

John de Wit publications per year

The chart shows the history of publications by John de Wit between 1992 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. John de Wit published across 34 years, from 1992 to 2025, averaging 10.3 papers a year. Output peaked at 37 publications in 2013. 39 of the 349 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1992 to 2025. Vertical axis: number of publications, 0 to 37. Peak 37 publications in 2013. 1992: 1 publication 1993: 2 publications 1994: 0 publications 1995: 1 publication 1996: 1 publication 1997: 1 publication 1998: 1 publication 1999: 1 publication 2000: 4 publications 2001: 1 publication 2002: 0 publications 2003: 3 publications 2004: 5 publications 2005: 4 publications 2006: 4 publications 2007: 3 publications 2008: 6 publications 2009: 6 publications 2010: 9 publications 2011: 18 publications 2012: 11 publications 2013: 37 publications 2014: 21 publications 2015: 30 publications 2016: 25 publications 2017: 12 publications 2018: 11 publications 2019: 7 publications 2020: 17 publications 2021: 26 publications 2022: 19 publications 2023: 23 publications 2024: 17 publications 2025: 22 publications
1992 2025

349 publications in total across all disciplines

View publications per year as a table
John de Wit: publications per year, 1992 to 2025
Year Publications
1992 1
1993 2
1994 0
1995 1
1996 1
1997 1
1998 1
1999 1
2000 4
2001 1
2002 0
2003 3
2004 5
2005 4
2006 4
2007 3
2008 6
2009 6
2010 9
2011 18
2012 11
2013 37
2014 21
2015 30
2016 25
2017 12
2018 11
2019 7
2020 17
2021 26
2022 19
2023 23
2024 17
2025 22
Total 349
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John de Wit publications per year - data summary

  • John de Wit, a Psychology scholar from Utrecht University, has 349 publications recorded across 34 years, from 1992 to 2025.
  • The oldest publication on record dates to 1992 and the most recent to 2025.
  • The most productive year is 2013, with 37 publications.
  • The least productive years with any output are 1992, 1995, 1996, 1997 and others, with 1 publication each.
  • 2 of the 34 years in the span carry no publications at all (1994 and 2002).
  • The rate of publication averages 10.3 papers per year over the whole span, or 10.9 per year counting only the 32 years with at least one publication.
  • The last 5 years on the chart (2021-2025) hold 107 publications, 31% of the career total.
  • Split into equal eras - 1992-2003: 16 publications (1.3 per year); 2004-2015: 154 publications (12.8 per year); 2016-2025: 179 publications (17.9 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

John de Wit 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 John de Wit sits on this spectrum.

No. of scientists
200 400 600
Bar chart with 69 bars. Horizontal axis: publications, 31–40 to 705+. Vertical axis: number of scientists, 0 to 736. Most scientists, 736, have 101–110 publications. The last bar groups every scientist with 705 publications or more. The highlighted bar, 241–250 publications, is where this scientist sits. 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
31–40 publications 705+

This scientist: 242 publications — 79th percentile

79% of scientists in this discipline score the same or lower.

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

View publications distribution as a table
Number of Psychology scientists by publication count, Research.com 2026 ranking edition. Based on 11,416 ranked scientists.
Publications Scientists This scientist
31–40 6
41–50 52
51–60 138
61–70 299
71–80 461
81–90 605
91–100 713
101–110 736
111–120 686
121–130 670
131–140 644
141–150 597
151–160 576
161–170 477
171–180 450
181–190 397
191–200 343
201–210 328
211–220 313
221–230 283
231–240 226
241–250 196 242
251–260 201
261–270 171
271–280 151
281–290 139
291–300 113
301–310 102
311–320 100
321–330 76
331–340 92
341–350 85
351–360 69
361–370 71
371–380 63
381–390 58
391–400 57
401–410 43
411–420 33
421–430 50
431–440 41
441–450 32
451–460 27
461–470 28
471–480 25
481–490 28
491–500 20
501–510 23
511–520 26
521–530 17
531–540 21
541–550 14
551–560 16
561–570 10
571–580 22
581–590 9
591–600 14
601–610 9
611–620 11
621–630 4
631–640 7
641–650 5
651–660 10
661–670 8
671–680 8
681–690 4
691–700 3
701–704 4
705+ 100
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John de Wit publication distribution in Psychology in 2026 - data summary

  • The chart plots the publication count of all 11,416 Psychology scientists ranked by Research.com in 2026, grouped into 69 ranges running from 31–40 to 705+ publications.
  • John de Wit, a Psychology scholar from Utrecht University, records 242 publications - the 79th percentile of the discipline.
  • 79% of ranked Psychology scientists score the same or lower than John de Wit, and about 21% score higher.
  • The median of the discipline falls in the 151–160 publications range, and John de Wit ranks above the median.
  • The most crowded range is 101–110 publications, holding 736 scientists (6% of the field).
  • 72% of the field sits in the lowest quarter of the value range (up to 201–210 publications), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 705 publications or more, 100 scientists in all (<1% of the field).

John de Wit 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 John de Wit sits on this spectrum.

No. of scientists
200 400 600
Bar chart with 58 bars. Horizontal axis: D-Index, 30–31 to 144+. Vertical axis: number of scientists, 0 to 702. Most scientists, 702, have 32–33 D-Index. The last bar groups every scientist with 144 D-Index or more. The highlighted bar, 60–61 D-Index, is where this scientist sits. 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
30–31 D-Index 144+

This scientist: 61 D-Index — 71st percentile

71% of scientists in this discipline score the same or lower.

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

View D-Index distribution as a table
Number of Psychology scientists by D-index, Research.com 2026 ranking edition. Based on 11,416 ranked scientists.
D-Index Scientists This scientist
30–31 398
32–33 702
34–35 671
36–37 659
38–39 641
40–41 671
42–43 617
44–45 558
46–47 495
48–49 487
50–51 445
52–53 390
54–55 408
56–57 345
58–59 325
60–61 321 61
62–63 248
64–65 290
66–67 218
68–69 219
70–71 215
72–73 183
74–75 169
76–77 132
78–79 137
80–81 120
82–83 112
84–85 86
86–87 101
88–89 83
90–91 77
92–93 70
94–95 78
96–97 58
98–99 53
100–101 57
102–103 48
104–105 53
106–107 46
108–109 24
110–111 35
112–113 27
114–115 32
116–117 31
118–119 22
120–121 16
122–123 24
124–125 18
126–127 11
128–129 19
130–131 10
132–133 16
134–135 10
136–137 12
138–139 8
140–141 5
142–143 12
144+ 98
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John de Wit D-index placement in Psychology in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 11,416 Psychology scientists ranked by Research.com in 2026, grouped into 58 ranges running from 30–31 to 144+ D-Index.
  • John de Wit, a Psychology scholar from Utrecht University, records 61 D-Index - the 71st percentile of the discipline.
  • 71% of ranked Psychology scientists score the same or lower than John de Wit, and about 29% score higher.
  • The median of the discipline falls in the 48–49 D-Index range, and John de Wit ranks above the median.
  • The most crowded range is 32–33 D-Index, holding 702 scientists (6% of the field).
  • 68% of the field sits in the lowest quarter of the value range (up to 58–59 D-Index), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 144 D-Index or more, 98 scientists in all (<1% of the field).

Overview

John de Wit is affiliated with Utrecht University in the Netherlands and focuses their research primarily in the fields of Medicine and Health Professions. Their work spans several subfields including General Health Professions, Infectious Diseases, Epidemiology, Sociology and Political Science, and Public Health, Environmental and Occupational Health.

Their research covers topics such as HIV/AIDS Research and Interventions, Adolescent Sexual and Reproductive Health, HIV, Drug Use, Sexual Risk, Sex Work and Related Issues, Health Disparities and Outcomes, LGBTQ Health, Identity, and Policy, and HIV Research and Treatment.

John de Wit has contributed to multiple academic papers, with recent publications including:

  • Risk factors for loss to follow-up from antiretroviral therapy programmes in low-income and middle-income countries (2020, AIDS)
  • Social Inequality and Solidarity in Times of COVID-19 (2021, International Journal of Environmental Research and Public Health)
  • Slow Uptake of PrEP: Behavioral Predictors and the Influence of Price on PrEP Uptake Among MSM with a High Interest in PrEP (2021, AIDS and Behavior)
  • The Fading of the Mpox Outbreak Among Men Who Have Sex With Men: A Mathematical Modelling Study (2023, The Journal of Infectious Diseases)
  • Digital chemsex support and care: The potential of just-in-time adaptive interventions (2020, International Journal of Drug Policy)

Throughout their career, John de Wit has frequently published in venues such as:

  • AIDS and Behavior
  • bioRxiv (Cold Spring Harbor Laboratory)
  • International Journal of Environmental Research and Public Health
  • Sexual Health
  • Frontiers in Reproductive Health

Their frequent co-authors include:

  • Chantal den Daas
  • F. Marijn Stok
  • Martin Holt
  • Kai J. Jonas
  • Michèlle Bal

Best Publications

  • Do implementation intentions help to eat a healthy diet? A systematic review and meta-analysis of the empirical evidence

    Marieke A. Adriaanse;Charlotte D.W. Vinkers;Denise T.D. De Ridder;Joop J. Hox

  • What works best: objective statistics or a personal testimonial? An assessment of the persuasive effects of different types of message evidence on risk perception.

    John B. F. De Wit;Enny Das;Raymond Vet

  • The Impact of Vulnerability to and Severity of a Health Risk on Processing and Acceptance of Fear-Arousing Communications: A Meta-Analysis:

    Natascha de Hoog;Wolfgang Stroebe;John B. F. de Wit

  • Minority stress in lesbian, gay, and bisexual young adults in Australia: Associations with psychological distress, suicidality, and substance use

    Toby Lea;John de Wit;Robert Reynolds

  • Environmental correlates of physical activity and dietary behaviours among young people: a systematic review of reviews.

    E. de Vet;D. T. D. de Ridder;J. B. F. de Wit;J. B. F. de Wit

  • Homosexual men change to risky sex when perceiving less threat of HIV/AIDS since availability of highly active antiretroviral therapy: a longitudinal study.

    Ineke G. Stolte;Nicole H. T. M. Dukers;Ronald B. Geskus;Roel A. Coutinho

  • Don't tell me what I should do, but what others do: The influence of descriptive and injunctive peer norms on fruit consumption in adolescents

    F. Marijn Stok;Denise T. D. de Ridder;Emely de Vet;John B. F. de Wit

  • When planning is not enough: Fighting unhealthy snacking habits by mental contrasting with implementation intentions (MCII)

    Marieke A. Adriaanse;Gabriele Oettingen;Gabriele Oettingen;Peter M. Gollwitzer;Peter M. Gollwitzer;Erin P. Hennes

  • Finding the Critical Cue: Implementation Intentions to Change One's Diet Work Best When Tailored to Personally Relevant Reasons for Unhealthy Eating

    Marieke A. Adriaanse;Denise T. D. de Ridder;John B. F. de Wit

  • Fear Appeals Motivate Acceptance of Action Recommendations: Evidence for a Positive Bias in the Processing of Persuasive Messages

    Enny H. H. J. Das;John B. F. de Wit;Wolfgang Stroebe

  • Breaking Habits With Implementation Intentions: A Test of Underlying Processes

    Marieke A. Adriaanse;Peter M. Gollwitzer;Denise T. D. De Ridder;John B. F. de Wit

  • The Impact of Fear Appeals on Processing and Acceptance of Action Recommendations

    Natascha de Hoog;Wolfgang Stroebe;John B. F. de Wit

  • Self-regulation in health behavior

    Denise T. D. de Ridder;John B. F. de Wit

  • Community-level changes in condom use and uptake of HIV pre-exposure prophylaxis by gay and bisexual men in Melbourne and Sydney, Australia: results of repeated behavioural surveillance in 2013-17.

    Martin Holt;Toby Lea;Toby Lea;Limin Mao;Johann Kolstee

  • The contribution of steady and casual partnerships to the incidence of HIV infection among homosexual men in Amsterdam.

    Maria Xiridou;Ronald Geskus;John De Wit;Roel Coutinho

  • Implementation intention and planning interventions in Health Psychology: Recommendations from the Synergy Expert Group for research and practice.

    Martin S Hagger;Aleksandra Luszczynska;Aleksandra Luszczynska;John de Wit;Yael Benyamini

  • Willingness to use HIV pre-exposure prophylaxis and the likelihood of decreased condom use are both associated with unprotected anal intercourse and the perceived likelihood of becoming HIV positive among Australian gay and bisexual men

    Martin Holt;Dean A Murphy;Denton Callander;Jeanne Ellard

  • The potential of peer social norms to shape food intake in adolescents and young adults : a systematic review of effects and moderators

    F Marijn Stok;Emely de Vet;Denise T D de Ridder;John B F de Wit

  • Does viewing explain doing? Assessing the association between sexually explicit materials use and sexual behaviors in a large sample of Dutch adolescents and young adults.

    Gert Martin Hald;Lisette Kuyper;Philippe C.G. Adam;John B.F. de Wit;John B.F. de Wit

  • BEHAVIORAL AND COGNITIVE BARRIERS TO SAFER SEX BETWEEN MEN IN STEADY RELATIONSHIPS: IMPLICATIONS FOR PREVENTION STRATEGIES

    Udi Davidovich;John B.F. de Wit;Wolfgang Stroebe

  • Self‐Regulation in Health Behavior: Concepts, Theories, and Central Issues

    Denise T. D. de Ridder;John B. F. de Wit

  • Planning What Not to Eat: Ironic Effects of Implementation Intentions Negating Unhealthy Habits

    Marieke A. Adriaanse;Johanna M. F. van Oosten;Denise T. D. de Ridder;John B. F. de Wit

Frequent Co-Authors

Martin Holt
Martin Holt University of New South Wales
Garrett Prestage
Garrett Prestage University of New South Wales
Denise T. D. de Ridder
Denise T. D. de Ridder Utrecht University
Iryna Zablotska
Iryna Zablotska University of Sydney
Emely de Vet
Emely de Vet Wageningen University & Research
Susan Kippax
Susan Kippax University of New South Wales
Mark Stoove
Mark Stoove Burnet Institute
Aleksandra Luszczynska
Aleksandra Luszczynska University of Social Sciences and Humanities
Margaret Hellard
Margaret Hellard Burnet Institute
Wolfgang Stroebe
Wolfgang Stroebe University of Groningen

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