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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Psychology 40 8277 7730 372 358 113 6320

Geert E. Smid publications per year

The chart shows the history of publications by Geert E. Smid between 2008 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Geert E. Smid published across 18 years, from 2008 to 2025, averaging 7.4 papers a year. Output peaked at 21 publications in 2020. 18 of the 133 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 2008 to 2025. Vertical axis: number of publications, 0 to 21. Peak 21 publications in 2020. 2008: 1 publication 2009: 3 publications 2010: 1 publication 2011: 2 publications 2012: 3 publications 2013: 1 publication 2014: 4 publications 2015: 6 publications 2016: 4 publications 2017: 10 publications 2018: 10 publications 2019: 18 publications 2020: 21 publications 2021: 14 publications 2022: 7 publications 2023: 10 publications 2024: 5 publications 2025: 13 publications
2008 2025

133 publications in total across all disciplines

View publications per year as a table
Geert E. Smid: publications per year, 2008 to 2025
Year Publications
2008 1
2009 3
2010 1
2011 2
2012 3
2013 1
2014 4
2015 6
2016 4
2017 10
2018 10
2019 18
2020 21
2021 14
2022 7
2023 10
2024 5
2025 13
Total 133
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Geert E. Smid 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 Geert E. Smid 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, 111–120 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: 113 publications — 28th percentile

28% 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
111–120 686 113
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
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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Geert E. Smid 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 Geert E. Smid 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, 40–41 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: 40 D-Index — 30th percentile

30% 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 40
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
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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Overview

Geert E. Smid is affiliated with the University of Humanistic Studies in the Netherlands. Their research primarily focuses on the field of Psychology, with particular emphasis on Clinical Psychology. Their work frequently explores topics related to grief, bereavement, and mental health, migration, health and trauma, as well as posttraumatic stress disorder research.

Their recent papers include studies on prolonged grief disorder, acute grief in different contexts, ecological grief in response to environmental changes, measurement of complex bereavement disorders, and the impact of post-migration stressors on treatment outcomes in refugees. These publications are:

  • The prevalence of prolonged grief disorder in bereaved individuals following unnatural losses: Systematic review and meta regression analysis, 2020, Journal of Affective Disorders
  • Acute grief after deaths due to COVID-19, natural causes and unnatural causes: An empirical comparison, 2020, Journal of Affective Disorders
  • Ecological Grief as a Response to Environmental Change: A Mental Health Risk or Functional Response?, 2021, International Journal of Environmental Research and Public Health
  • Valid measurement of DSM-5 persistent complex bereavement disorder and DSM-5-TR and ICD-11 prolonged grief disorder: The Traumatic Grief Inventory-Self Report Plus (TGI-SR+), 2021, Comprehensive Psychiatry
  • Post-Migration Stressors and Their Association With Symptom Reduction and Non-Completion During Treatment for Traumatic Grief in Refugees, 2020, Frontiers in Psychiatry

Geert E. Smid has published extensively in various academic journals. Their frequent publication venues include:

  • Frontiers in Psychiatry
  • European journal of psychotraumatology
  • Journal of Affective Disorders
  • International Journal of Environmental Research and Public Health
  • Frontiers in Psychology

Their frequent collaborators are researchers such as Paul A. Boelen, Lonneke I. M. Lenferink, Maarten C. Eisma, Jos de Keijser, and Clare Killikelly.

Geert E. Smid's work intersects several subfields and topics within Psychology, including:

  • Clinical Psychology
  • Public Health, Environmental and Occupational Health
  • General Health Professions
  • Sociology and Political Science
  • Social Psychology

  • Grief, Bereavement, and Mental Health
  • Migration, Health and Trauma
  • Posttraumatic Stress Disorder Research
  • Palliative Care and End-of-Life Issues
  • Homelessness and Social Issues
  • Homicide, Infanticide, and Child Abuse
  • Maternal Mental Health During Pregnancy and Postpartum

Best Publications

  • Rates of post-traumatic stress disorder in trauma-exposed children and adolescents: meta-analysis

    Eva Alisic;Alyson K Zalta;Floryt van Wesel;Sadie E Larsen

  • The prevalence of Prolonged Grief Disorder in bereaved individuals following unnatural losses: Systematic review and meta regression analysis

    A.A.A. Manik J. Djelantik;Geert E. Smid;Anna Mroz;Rolf J. Kleber

  • Mental health stigma and barriers to mental health care for first responders: A systematic review and meta-analysis

    Peter T. Haugen;Aileen M. McCrillis;Geert E. Smid;Mirjam J. Nijdam

  • The efficacy of recommended treatments for veterans with PTSD : A metaregression analysis

    Joris F.G. Haagen;Geert E. Smid;Jeroen W. Knipscheer;Rolf J. Kleber

  • Delayed Posttraumatic Stress Disorder: Systematic Review, Meta-Analysis, and Meta-Regression Analysis of Prospective Studies

    Geert E. Smid;Trudy T. M. Mooren;Roos C. van der Mast;Berthold P. R. Gersons

  • Acute grief after deaths due to COVID-19, natural causes and unnatural causes: An empirical comparison.

    Maarten C. Eisma;Aerjen Tamminga;Geert E. Smid;Paul A. Boelen

  • The obsessive compulsive spectrum in schizophrenia, a meta-analysis and meta-regression exploring prevalence rates

    Marije Swets;Jack Dekker;Katelijne van Emmerik-van Oortmerssen;Geert E. Smid

  • Ecological Grief as a Response to Environmental Change: A Mental Health Risk or Functional Response?

    Hannah Comtesse;Verena Ertl;Sophie M. C. Hengst;Rita Rosner

  • The Traumatic Grief Inventory Self-Report Version (TGI-SR): Introduction and Preliminary Psychometric Evaluation

    Paul A. Boelen;Geert E. Smid

  • Prolonged grief and depression after unnatural loss: latent class analyses and cognitive correlates

    Paul A. Boelen;Albert Reijntjes;A.A.A. Manik J. Djelantik;Geert E. Smid

  • Disturbed grief: prolonged grief disorder and persistent complex bereavement disorder

    Paul A Boelen;Geert E Smid

  • Symptoms of prolonged grief, post-traumatic stress, and depression after loss in a Dutch community sample: A latent class analysis.

    A.A.A. Manik J. Djelantik;Geert E. Smid;Rolf J. Kleber;Paul A. Boelen

  • Trajectories of grief, depression, and posttraumatic stress in disaster-bereaved people.

    Lonneke I. M. Lenferink;Lonneke I. M. Lenferink;Angela Nickerson;Jos de Keijser;Geert E. Smid

  • The effectiveness of narrative exposure therapy: a review, meta-analysis and meta-regression analysis

    Jeannette C.G. Lely;Geert E. Smid;Ruud A. Jongedijk;Jeroen W. Knipscheer

  • Valid measurement of DSM-5 persistent complex bereavement disorder and DSM-5-TR and ICD-11 prolonged grief disorder: The Traumatic Grief Inventory-Self Report Plus (TGI-SR+).

    L I M Lenferink;M C Eisma;G E Smid;J de Keijser

  • Late-Onset PTSD in Unaccompanied Refugee Minors: Exploring the Predictive Utility of Depression and Anxiety Symptoms

    Geert E. Smid;Gerty J. L. M. Lensvelt-Mulders;Jeroen W. Knipscheer;Berthold P. R. Gersons

  • Cognitive-behavioral variables mediate the impact of violent loss on post-loss psychopathology.

    Paul A. Boelen;Jos de Keijser;Geert Smid

  • Prolonged grief, depression, and posttraumatic stress in disaster-bereaved individuals : Latent class analysis

    Lonneke I. M. Lenferink;Jos de Keijser;Geert E. Smid;A. A. A. Manik J. Djelantik

  • Concurrent and prospective associations of intolerance of uncertainty with symptoms of prolonged grief, posttraumatic stress, and depression after bereavement.

    Paul A. Boelen;Albert Reijntjes;Geert E. Smid

  • Evaluation of the factor structure, prevalence, and validity of disturbed grief in DSM-5 and ICD-11

    Paul A. Boelen;Lonneke I.M. Lenferink;Angela Nickerson;Geert E. Smid

  • Further validation of the Traumatic Grief Inventory-Self Report (TGI-SR): A measure of persistent complex bereavement disorder and prolonged grief disorder

    Paul A. Boelen;A. A. A. Manik J. Djelantik;Jos de Keijser;Lonneke I. M. Lenferink

Frequent Co-Authors

Paul A. Boelen
Paul A. Boelen Utrecht University
Rolf J. Kleber
Rolf J. Kleber Utrecht University
Berthold P. R. Gersons
Berthold P. R. Gersons University of Amsterdam
Maarten C. Eisma
Maarten C. Eisma University of Groningen
Angela Nickerson
Angela Nickerson University of New South Wales
Eric Vermetten
Eric Vermetten Leiden University Medical Center
Birgit Wagner
Birgit Wagner Medical School Berlin
Ulrich Schnyder
Ulrich Schnyder University of Zurich
Albert Reijntjes
Albert Reijntjes Utrecht University
Elbert Geuze
Elbert Geuze Utrecht University

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