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D-Index & Metrics

Psychology

D-Index
45
Citations
8213
World Ranking
6699
National Ranking
62

Klaas Wijma 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 Klaas Wijma 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: 96 publications — 17th percentile

17% of scientists in this discipline score the same or lower.

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

Klaas Wijma 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 Klaas Wijma 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: 45 D-Index — 43rd percentile

43% of scientists in this discipline score the same or lower.

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

Overview

Klaas Wijma is a researcher affiliated with Linköping University in Sweden. Their academic work primarily spans the fields of medicine and psychology, with subfields including public health, environmental and occupational health, obstetrics and gynecology, and social psychology.

Their scholarly output includes research on maternal mental health during pregnancy and postpartum, maternal and perinatal health interventions, as well as attachment and relationship dynamics. These topics reflect a focused interest in health and psychological aspects surrounding childbirth and related interventions.

Wijma's recent publication record features the paper titled "Preferred and actual mode of delivery in relation to fear of childbirth", published in 2020 in the Journal of Psychosomatic Obstetrics & Gynecology. This work has been cited in subsequent research, indicating ongoing engagement with issues related to childbirth and maternal psychology.

Frequent collaborators in their research include Anne-Marie Sluijs, Marc P. H. D. Cleiren, J. M. M. van Lith, and Barbro Wijma. These coauthors suggest an interdisciplinary and collaborative approach within their field of study.

The primary venues for the dissemination of their research include the Journal of Psychosomatic Obstetrics & Gynecology, reflecting a consistent contribution to publications specializing in psychosomatic and obstetric topics.

  • Preferred and actual mode of delivery in relation to fear of childbirth, 2020, Journal of Psychosomatic Obstetrics & Gynecology

  • Anne-Marie Sluijs
  • Marc P. H. D. Cleiren
  • J. M. M. van Lith
  • Barbro Wijma

  • Journal of Psychosomatic Obstetrics & Gynecology

  • Medicine
  • Psychology

  • Public Health, Environmental and Occupational Health
  • Obstetrics and Gynecology
  • Social Psychology

  • Maternal Mental Health During Pregnancy and Postpartum
  • Maternal and Perinatal Health Interventions
  • Attachment and Relationship Dynamics

Best Publications

  • Psychometric aspects of the W-DEQ; a new questionnaire for the measurement of fear of childbirth

    K. Wijma;B. Wijma;M. Zar

  • The aetiology of post-traumatic stress following childbirth: a meta-analysis and theoretical framework

    S. Ayers;R. Bond;S. Bertullies;Klaas Wijma

  • Posttraumatic stress disorder after childbirth: a cross sectional study.

    Klaas Wijma;Johan Söderquist;Barbro Wijma

  • Fear of childbirth during pregnancy may increase the risk of emergency cesarean section

    Elsa Lena Ryding;Barbro Wijma;Klaas Wijma;Håkan Rydhström

  • Risk factors in pregnancy for post‐traumatic stress and depression after childbirth

    Johan Söderquist;Barbro Wijma;G. Thorbert;Klaas Wijma

  • Pre- and Postpartum Fear of Childbirth in Nulliparous and Parous Women

    Margareta Zar;Klaas Wijma;Barbro Wijma

  • Psychological impact of emergency Cesarean section in comparison with elective Cesarean section, instrumental and normal vaginal delivery

    E L Ryding;K Wijma;B Wijma

  • Post-traumatic stress disorder following childbirth: current issues and recommendations for future research

    Susan Ayers;Stephen Joseph;Kirstie McKenzie-McHarg;Pauline Slade

  • Traumatic stress after childbirth : the role of obstetric variables

    Johan Söderquist;Klaas Wijma;Barbro Wijma

  • Posttraumatic stress reactions after emergency cesarean section

    Elsa Lena Ryding;Barbro Wijma;Klaas Wijma

  • The longitudinal course of post-traumatic stress after childbirth

    Johan Söderquist;Barbro Wijma;Klaas Wijma

  • Experiences of emergency cesarean section: A phenomenological study of 53 women

    Elsa Lena Ryding;Klaas Wijma;Barbro Wijma

  • A comparison of acupuncture and oral estradiol treatment of vasomotor symptoms in postmenopausal women

    Yvonne Wyon;Klaas Wijma;Elisabeth Nedstrand;Mats Hammar

  • Fear, pain and stress hormones during childbirth

    Siw Alehagen;Barbro Wijma;Ulf Lundberg;Klaas Wijma

  • Relations between anxiety disorders and fear of childbirth during late pregnancy

    Margareta Zar;Klaas Wijma;Barbro Wijma

  • Fear of childbirth before, during, and after childbirth.

    Siw Alehagen;Barbro Wijma;Klaas Wijma

  • Self-efficacy beliefs and fear of childbirth in nulliparous women

    Birgitta Salomonsson;Mats T Gullberg;Siw Alehagen;Klaas Wijma

  • Traumatic stress in late pregnancy.

    Johan Söderquist;Klaas Wijma;Barbro Wijma

  • Vasomotor symptoms decrease in women with breast cancer randomized to treatment with applied relaxation or electro-acupuncture: a preliminary study.

    Elisabeth Nedstrand;Klaas Wijma;Yvonne Wyon;Mats Hammar

  • Treatment of menopausal symptoms with applied relaxation: A pilot study

    Klaas Wijma;Annika Melin;Elizabeth Nedstrand;Mats Hammar

Frequent Co-Authors

Barbro Wijma
Barbro Wijma Linköping University
Gerhard Andersson
Gerhard Andersson Linköping University
Susan Ayers
Susan Ayers City, University of London
Ad J. J. M. Vingerhoets
Ad J. J. M. Vingerhoets Tilburg University
Ulf Lundberg
Ulf Lundberg Stockholm University
Erik Andersson
Erik Andersson Karolinska Institute
Per Carlbring
Per Carlbring Stockholm University
Pauline Slade
Pauline Slade University of Liverpool
Stephen Joseph
Stephen Joseph University of Nottingham
Mats Fredrikson
Mats Fredrikson Uppsala University

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