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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Psychology 38 8753 8174 881 841 79 8590

Jana Kreppner publications per year

The chart shows the history of publications by Jana Kreppner between 1999 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Jana Kreppner published across 27 years, from 1999 to 2025, averaging 3.4 papers a year. Output peaked at 9 publications in 2007. 7 of the 93 publications appeared in the last two years.

No. of publications
2 4 6 8
Bar chart. Horizontal axis: year, 1999 to 2025. Vertical axis: number of publications, 0 to 9. Peak 9 publications in 2007. 1999: 2 publications 2000: 1 publication 2001: 2 publications 2002: 1 publication 2003: 0 publications 2004: 0 publications 2005: 0 publications 2006: 4 publications 2007: 9 publications 2008: 6 publications 2009: 4 publications 2010: 6 publications 2011: 3 publications 2012: 4 publications 2013: 1 publication 2014: 0 publications 2015: 3 publications 2016: 4 publications 2017: 5 publications 2018: 1 publication 2019: 3 publications 2020: 8 publications 2021: 6 publications 2022: 5 publications 2023: 8 publications 2024: 4 publications 2025: 3 publications
1999 2025

93 publications in total across all disciplines

View publications per year as a table
Jana Kreppner: publications per year, 1999 to 2025
Year Publications
1999 2
2000 1
2001 2
2002 1
2003 0
2004 0
2005 0
2006 4
2007 9
2008 6
2009 4
2010 6
2011 3
2012 4
2013 1
2014 0
2015 3
2016 4
2017 5
2018 1
2019 3
2020 8
2021 6
2022 5
2023 8
2024 4
2025 3
Total 93
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Jana Kreppner 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 Jana Kreppner 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, 71–80 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: 79 publications — 8th percentile

8% 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 79
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
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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Jana Kreppner 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 Jana Kreppner 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, 38–39 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: 38 D-Index — 24th percentile

24% 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 38
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
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

Jana Kreppner is affiliated with the University of Southampton in the United Kingdom and has contributed extensively to the fields of psychology, social sciences, and medicine. Their research primarily focuses on clinical psychology, safety research, psychiatry and mental health, education, and developmental and educational psychology.

Their work covers a range of topics including child and adolescent psychosocial and emotional development, child welfare and adoption, attention deficit hyperactivity disorder (ADHD), child abuse and trauma, autism spectrum disorder research, adolescent and pediatric healthcare, and maternal mental health during pregnancy and postpartum.

Jana Kreppner has authored several published papers in reputable venues. Notable recent publications include:

  • Early childhood deprivation is associated with alterations in adult brain structure despite subsequent environmental enrichment (2020, Proceedings of the National Academy of Sciences)
  • The Effects of ADHD Teacher Training Programs on Teachers and Pupils: A Systematic Review and Meta-Analysis (2020, Journal of Attention Disorders)
  • Why does early childhood deprivation increase the risk for depression and anxiety in adulthood? A developmental cascade model (2020, Journal of Child Psychology and Psychiatry)
  • School staff perspectives on ADHD and training: understanding the needs and views of UK primary staff (2021, Emotional and Behavioural Difficulties)
  • The feasibility of a strategy for the remote recruitment, consenting and assessment of recent referrals: a protocol for phase 1 of the On-Line Parent Training for the Initial Management of ADHD referrals (OPTIMA) (2022, Pilot and Feasibility Studies)

Their publications have appeared frequently in the following venues:

  • Emotional and Behavioural Difficulties
  • Journal of Child Psychology and Psychiatry
  • Development and Psychopathology
  • Adoption & Fostering
  • Proceedings of the National Academy of Sciences

The scholar collaborates often with several coauthors, including Edmund Sonuga-Barke, Hanna Kovshoff, Mark Kennedy, Barbara Maughan, and Nicky Knights. The highest number of joint publications with a single coauthor is thirteen with Edmund Sonuga-Barke, followed by eleven with Hanna Kovshoff.

Best Publications

  • Quasi‐autistic Patterns Following Severe Early Global Privation

    Michael Rutter;Lucie Andersen-Wood;Celia Beckett;Diana Bredenkamp

  • Do the effects of early severe deprivation on cognition persist into early adolescence? Findings from the English and Romanian adoptees study.

    Celia Beckett;Barbara Maughan;Michael Rutter;Jenny Castle

  • Specificity and heterogeneity in children's responses to profound institutional privation

    Michael L. Rutter;Jana M. Kreppner;Thomas G. O'connor

  • Early adolescent outcomes for institutionally-deprived and non-deprived adoptees. I: disinhibited attachment.

    Michael Rutter;Emma Colvert;Jana Kreppner;Celia Beckett

  • The Effects of Global Severe Privation on Cognitive Competence: Extension and Longitudinal Follow-up

    Thomas G. O’Connor;Michael Rutter;Celia Beckett;Lisa Keaveney

  • Effects of profound early institutional deprivation: An overview of findings from a UK longitudinal study of Romanian adoptees

    Michael Rutter;Celia Beckett;Jenny Castle;Emma Colvert

  • Can inattention/overactivity be an institutional deprivation syndrome?

    Jana M. Kreppner;Thomas G. O'Connor;Michael Rutter

  • Child-to-adult neurodevelopmental and mental health trajectories after early life deprivation: the young adult follow-up of the longitudinal English and Romanian Adoptees study

    Edmund J. S. Sonuga-Barke;Edmund J. S. Sonuga-Barke;Mark Kennedy;Robert Kumsta;Nicky Knights

  • Inattention/Overactivity Following Early Severe Institutional Deprivation : Presentation and Associations in Early Adolescence

    Suzanne E. Stevens;Edmund J. S. Sonuga-Barke;Edmund J. S. Sonuga-Barke;Edmund J. S. Sonuga-Barke;Jana M. Kreppner;Celia Beckett

  • Do Theory of Mind and Executive Function Deficits Underlie the Adverse Outcomes Associated with Profound Early Deprivation?: Findings from the English and Romanian Adoptees Study.

    Emma Colvert Colvert;Michael Rutter;Jana Kreppner;Celia Beckett

  • Normality and impairment following profound early institutional deprivation: a longitudinal follow-up into early adolescence.

    Jana M. Kreppner;Michael Rutter;Celia Beckett;Jenny Castle

  • Emanuel Miller Lecture: Attachment insecurity, disinhibited attachment, and attachment disorders: where do research findings leave the concepts?

    Michael Rutter;Jana Kreppner;Edmund Sonuga-Barke

  • Emotional and behavioural difficulties in children and adolescents with hearing impairment: a systematic review and meta‑analysis

    Jim Stevenson;Jana Kreppner;Hannah Pimperton;Sarah Worsfold

  • Deprivation-Specific Psychological Patterns: Effects of Institutional Deprivation

    M. Rutter;E. Sonuga-Barke;C. Beckett;J. Castle

  • VI. Sensitive periods

    Charles H. Zeanah;Megan R. Gunnar;Robert B. McCall;Jana M. Kreppner

  • Early Adolescent Outcomes of Institutionally Deprived and Non-Deprived Adoptees. III. Quasi-Autism.

    Michael Rutter;Jana Kreppner;Carla Croft;Marianna Murin

  • Emotional difficulties in early adolescence following severe early deprivation: findings from the English and Romanian adoptees study.

    Emma Colvert;Michael Rutter;Celia Beckett;Jenny Castle

  • Early Adolescent Outcomes of Institutionally-Deprived and Non-Deprived Adoptees. II: Language as a Protective Factor and a Vulnerable Outcome.

    Carla Croft;Celia Beckett;Michael Rutter;Jenny Castle

  • 5HTT genotype moderates the influence of early institutional deprivation on emotional problems in adolescence: evidence from the English and Romanian Adoptee (ERA) study

    Robert Kumsta;Suzanne Stevens;Suzanne Stevens;Keeley Brookes;Wolff Schlotz

  • The impact of universal newborn hearing screening on long-term literacy outcomes: a prospective cohort study

    Hannah Pimperton;Hazel Blythe;Jana Kreppner;Merle Mahon

  • The Development of the Person: The Minnesota Study of Risk and Adaptation from Birth to Adulthood

    Julie Messer;Jana Kreppner;Andrés Martin

Frequent Co-Authors

Edmund J.S. Sonuga-Barke
Edmund J.S. Sonuga-Barke King's College London
Michael Rutter
Michael Rutter King's College London
Robert Kumsta
Robert Kumsta Ruhr University Bochum
Thomas G. O'Connor
Thomas G. O'Connor University of Rochester
Wolff Schlotz
Wolff Schlotz Max Planck Society
Barbara Maughan
Barbara Maughan King's College London
Jim Stevenson
Jim Stevenson University of Southampton
Megan R. Gunnar
Megan R. Gunnar University of Minnesota
Nathan A. Fox
Nathan A. Fox University of Maryland, College Park
Charles H. Zeanah
Charles H. Zeanah Tulane University

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