World's Best Scientists 2026 revealed!

D-Index & Metrics

Psychology

D-Index
49
Citations
10610
World Ranking
5643
National Ranking
51

Viktor Kaldo 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 Viktor Kaldo 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: 170 publications — 58th percentile

58% of scientists in this discipline score the same or lower.

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

Viktor Kaldo 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 Viktor Kaldo 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: 49 D-Index — 52nd percentile

52% of scientists in this discipline score the same or lower.

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

Overview

Viktor Kaldo is affiliated with the Karolinska Institute in Sweden and has contributed substantially to research in psychology, particularly in digital mental health interventions and sleep-related disorders. Their work spans several subfields, including experimental and cognitive psychology, applied psychology, clinical psychology, cognitive neuroscience, and sociology and political science.

The main topics of Viktor Kaldo's research include digital mental health interventions, mental health research topics, sleep and related disorders, sleep and wakefulness research, the impact of technology on adolescents, youth substance use and school attendance, and mental health via writing.

Notable recent papers authored or co-authored by Viktor Kaldo cover a range of issues in mental health and digital interventions. These include:

  • Internet-Based Cognitive Behavioral Therapy for Depression, 2021, JAMA Psychiatry
  • Dismantling, optimising, and personalising internet cognitive behavioural therapy for depression: a systematic review and component network meta-analysis using individual participant data, 2021, The Lancet Psychiatry
  • Effects of cognitive behavioral therapy for insomnia (CBT-I) on quality of life: A systematic review and meta-analysis, 2022, Sleep Medicine Reviews
  • Consensus statement on the problem of terminology in psychological interventions using the internet or digital components, 2020, Internet Interventions
  • Changes in Tinnitus Experiences During the COVID-19 Pandemic, 2020, Frontiers in Public Health

Frequent publication venues reflect the focus areas of Viktor Kaldo's research output. These venues include:

  • Internet Interventions
  • Journal of Sleep Research
  • UNC Libraries
  • Sleep Medicine Reviews
  • Sleep Medicine

Viktor Kaldo has collaborated extensively with several researchers, with frequent co-authors including:

  • Susanna Jernelöv
  • Erik Forsell
  • Nils Hentati Isacsson
  • Kerstin Blom
  • Martin Kraepelien

Their research contributions are anchored primarily in psychology, with a significant portion addressing digital approaches to mental health care and interventions for sleep disorders. The scientific output indicates a multidisciplinary and collaborative approach focused on addressing mental health challenges through innovative methodologies and clinical applications.

Best Publications

  • Internet-Based Cognitive Behavioral Therapy for Depression: A Systematic Review and Individual Patient Data Network Meta-analysis.

    Eirini Karyotaki;Eirini Karyotaki;Eirini Karyotaki;Orestis Efthimiou;Orestis Efthimiou;Clara Miguel;Clara Miguel;Frederic Maas Genannt Bermpohl

  • Internet-based self-help for depression : randomised controlled trial

    Gerhard Andersson;Jan Bergström;Fredrik Holländare;Per Carlbring

  • Treatment of panic disorder: live therapy vs. self-help via the Internet

    Per Carlbring;Elisabeth Nilsson-Ihrfelt;Johan Waara;Cecilia Kollenstam

  • Consensus statement on defining and measuring negative effects of Internet interventions

    Alexander Rozental;Gerhard Andersson;Gerhard Andersson;Johanna Boettcher;David Daniel Ebert

  • A randomized controlled trial of Internet-delivered cognitive behavior therapy and acceptance and commitment therapy in the treatment of tinnitus.

    Hugo Hesser;Tore Gustafsson;Charlotte Lundén;Oskar Henrikson

  • Do guided internet-based interventions result in clinically relevant changes for patients with depression? An individual participant data meta-analysis.

    Eirini Karyotaki;David Daniel Ebert;Liesje Donkin;Heleen Riper

  • Internet-based cognitive behaviour therapy for obsessive–compulsive disorder: a randomized controlled trial

    Erik Andersson;Jesper Enander;Per Andrén;Erik Hedman

  • ICBT in routine care: A descriptive analysis of successful clinics in five countries.

    Nickolai Titov;Blake Dear;Olav Nielssen;Lauren Staples

  • Effectiveness of Internet-based cognitive behaviour therapy for depression in routine psychiatric care.

    Erik Hedman;Brjánn Ljótsson;Viktor Kaldo;Hugo Hesser

  • Dismantling, optimising, and personalising internet cognitive behavioural therapy for depression: a systematic review and component network meta-analysis using individual participant data.

    Toshi A. Furukawa;Aya Suganuma;Edoardo G. Ostinelli;Gerhard Andersson;Gerhard Andersson

  • Physical exercise and internet-based cognitive–behavioural therapy in the treatment of depression: randomised controlled trial

    Mats Hallgren;Martin Kraepelien;Agneta Öjehagen;Nils Lindefors

  • Internet treatment addressing either insomnia or depression, for patients with both diagnoses: a randomized trial.

    Kerstin Blom;Susanna Jernelöv;Martin Kraepelien;Malin Olséni Bergdahl

  • Internet versus group cognitive-behavioral treatment of distress associated with tinnitus: a randomized controlled trial.

    Viktor Kaldo;Susanna Levin;Jenny Widarsson;Monica Buhrman

  • Internet-vs. group-delivered cognitive behavior therapy for insomnia: A randomized controlled non-inferiority trial

    Kerstin Blom;Hanna Tarkian Tillgren;Tobias Wiklund;Ewa Danlycke

  • Development of a New Approach to Guided Self-Help via the Internet: The Swedish Experience

    Gerhard Andersson;Jan Bergström;Monica Buhrman;Per Carlbring

  • Effects of cognitive behavioral therapy for insomnia (CBT-I) on quality of life: A systematic review and meta-analysis.

    Unknown

  • Guided Online or Face-to-Face Cognitive Behavioral Treatment for Insomnia: A Randomized Wait-List Controlled Trial.

    Jaap Lancee;Annemieke van Straten;Nexhmedin Morina;Viktor Kaldo

  • Internet delivered cognitive behavior therapy for antenatal depression: A randomised controlled trial.

    Erik Forsell;Marie Bendix;Fredrik Holländare;Barbara Szymanska von Schultz

  • Effectiveness of Internet‐based cognitive behaviour therapy for panic disorder in routine psychiatric care

    E. Hedman;B. Ljotsson;C. Ruck;J. Bergstrom

  • Guided internet cognitive behavioral therapy for insomnia compared to a control treatment - A randomized trial.

    Viktor Kaldo;Susanna Jernelöv;Kerstin Blom;Brjánn Ljótsson

  • Efficacy of a behavioral self-help treatment with or without therapist guidance for co-morbid and primary insomnia -a randomized controlled trial

    Susanna Jernelöv;Mats Lekander;Mats Lekander;Kerstin Blom;Sara Rydh

  • Internet-based cognitive behavioral therapy for tinnitus.

    Gerhard Andersson;Viktor Kaldo

Frequent Co-Authors

Gerhard Andersson
Gerhard Andersson Linköping University
Nils Lindefors
Nils Lindefors Karolinska Institute
Christian Rück
Christian Rück Karolinska Institute
Brjánn Ljótsson
Brjánn Ljótsson Karolinska Institute
Erik Hedman
Erik Hedman Karolinska Institute
Per Carlbring
Per Carlbring Stockholm University
Yvonne Forsell
Yvonne Forsell Karolinska Institute
Jussi Jokinen
Jussi Jokinen University of Jyväskylä
Pim Cuijpers
Pim Cuijpers Vrije Universiteit Amsterdam
Eirini Karyotaki
Eirini Karyotaki Vrije Universiteit Amsterdam

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