World's Best Scientists 2026 revealed!

D-Index & Metrics

Social Sciences and Humanities

D-Index
40
Citations
9009
World Ranking
5255
National Ranking
21

Ian Kelleher publication distribution in Social Sciences and Humanities in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Social Sciences and Humanities in 2026. The highlighted bar marks where Ian Kelleher sits on this spectrum.

44–53 publications: 28 scientists 54–63 publications: 61 scientists 64–73 publications: 161 scientists 74–83 publications: 225 scientists 84–93 publications: 301 scientists 94–103 publications: 390 scientists 104–113 publications: 406 scientists 114–123 publications: 474 scientists 124–133 publications: 453 scientists 134–143 publications: 434 scientists 144–153 publications: 407 scientists 154–163 publications: 411 scientists 164–173 publications: 391 scientists 174–183 publications: 313 scientists 184–193 publications: 319 scientists 194–203 publications: 304 scientists 204–213 publications: 285 scientists 214–223 publications: 246 scientists 224–233 publications: 213 scientists 234–243 publications: 170 scientists 244–253 publications: 167 scientists 254–263 publications: 162 scientists 264–273 publications: 138 scientists 274–283 publications: 138 scientists 284–293 publications: 113 scientists 294–303 publications: 106 scientists 304–313 publications: 95 scientists 314–323 publications: 101 scientists 324–333 publications: 81 scientists 334–343 publications: 69 scientists 344–353 publications: 56 scientists 354–363 publications: 36 scientists 364–373 publications: 42 scientists 374–383 publications: 41 scientists 384–393 publications: 44 scientists 394–403 publications: 27 scientists 404–413 publications: 30 scientists 414–423 publications: 20 scientists 424–433 publications: 29 scientists 434–443 publications: 29 scientists 444–453 publications: 25 scientists 454–463 publications: 19 scientists 464–473 publications: 21 scientists 474–483 publications: 11 scientists 484–493 publications: 17 scientists 494–503 publications: 7 scientists 504–513 publications: 6 scientists 514–523 publications: 12 scientists 524–533 publications: 10 scientists 534–543 publications: 7 scientists 544–553 publications: 6 scientists 554–563 publications: 12 scientists 564–569 publications: 8 scientists 570+ publications: 100 scientists
44 publications 570+

This scientist: 124 publications — 27th percentile

27% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 570 publications or more.

Ian Kelleher D-index placement in Social Sciences and Humanities in 2026

The chart shows the D-index (discipline H-index) distribution of Social Sciences and Humanities scientists ranked by Research.com in 2026. The highlighted bar marks where Ian Kelleher sits on this spectrum.

30 D-Index: 177 scientists 31 D-Index: 210 scientists 32 D-Index: 222 scientists 33 D-Index: 188 scientists 34 D-Index: 181 scientists 35 D-Index: 243 scientists 36 D-Index: 261 scientists 37 D-Index: 272 scientists 38 D-Index: 278 scientists 39 D-Index: 300 scientists 40 D-Index: 297 scientists 41 D-Index: 308 scientists 42 D-Index: 313 scientists 43 D-Index: 300 scientists 44 D-Index: 269 scientists 45 D-Index: 260 scientists 46 D-Index: 228 scientists 47 D-Index: 251 scientists 48 D-Index: 203 scientists 49 D-Index: 186 scientists 50 D-Index: 187 scientists 51 D-Index: 166 scientists 52 D-Index: 138 scientists 53 D-Index: 141 scientists 54 D-Index: 131 scientists 55 D-Index: 137 scientists 56 D-Index: 109 scientists 57 D-Index: 129 scientists 58 D-Index: 95 scientists 59 D-Index: 105 scientists 60 D-Index: 106 scientists 61 D-Index: 86 scientists 62 D-Index: 94 scientists 63 D-Index: 77 scientists 64 D-Index: 79 scientists 65 D-Index: 59 scientists 66 D-Index: 68 scientists 67 D-Index: 51 scientists 68 D-Index: 49 scientists 69 D-Index: 40 scientists 70 D-Index: 43 scientists 71 D-Index: 40 scientists 72 D-Index: 50 scientists 73 D-Index: 46 scientists 74 D-Index: 43 scientists 75 D-Index: 45 scientists 76 D-Index: 45 scientists 77 D-Index: 30 scientists 78 D-Index: 25 scientists 79 D-Index: 31 scientists 80 D-Index: 29 scientists 81 D-Index: 18 scientists 82 D-Index: 21 scientists 83 D-Index: 26 scientists 84 D-Index: 15 scientists 85 D-Index: 15 scientists 86 D-Index: 19 scientists 87 D-Index: 19 scientists 88 D-Index: 12 scientists 89 D-Index: 7 scientists 90 D-Index: 19 scientists 91 D-Index: 20 scientists 92 D-Index: 13 scientists 93 D-Index: 9 scientists 94 D-Index: 13 scientists 95 D-Index: 8 scientists 96 D-Index: 7 scientists 97 D-Index: 6 scientists 98 D-Index: 6 scientists 99 D-Index: 6 scientists 100+ D-Index: 97 scientists
30 D-Index 100+

This scientist: 40 D-Index — 34th percentile

34% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 100 D-Index or more.

Overview

Ian Kelleher is affiliated with the Royal College of Surgeons in Ireland and contributes extensively to research in the fields of medicine and psychology. Their work primarily focuses on psychiatry and mental health, with significant contributions in clinical psychology and related subfields.

Kelleher has published research across several topics including:

  • Schizophrenia research and treatment
  • Child and Adolescent Psychosocial and Emotional Development
  • Bipolar Disorder and Treatment
  • Adolescent and Pediatric Healthcare
  • Mental Health Research Topics
  • Mental Health Treatment and Access
  • Psychosomatic Disorders and Their Treatments

The scientist's publications frequently appear in notable venues such as:

  • Psychological Medicine
  • Schizophrenia Bulletin
  • The British Journal of Psychiatry
  • Journal of the American Academy of Child & Adolescent Psychiatry
  • European Psychiatry

Some of their recent papers include:

  • "Referral patterns for specialist child and adolescent mental health services in the Republic of Ireland during the COVID-19 pandemic compared with 2019 and 2018" (2021), published in BJPsych Open
  • "Psychotic experiences in the general population, a review; definition, risk factors, outcomes and interventions" (2022), published in Psychological Medicine
  • "Incidence and Persistence of Psychotic Experiences in the General Population: Systematic Review and Meta-Analysis" (2023), published in Schizophrenia Bulletin
  • "Trauma-informed care for adult survivors of developmental trauma with psychotic and dissociative symptoms: a systematic review of intervention studies" (2020), published in The Lancet Psychiatry
  • "Potential for prediction of psychosis and bipolar disorder in Child and Adolescent Mental Health Services: a longitudinal register study of all people born in Finland in 1987" (2022), published in World Psychiatry

Kelleher collaborates regularly with a group of frequent co-authors, including:

  • Mary Cannon
  • Colm Healy
  • Ulla Lång
  • Mary Clarke
  • David Cotter

Their scholarly activity encompasses a range of disciplines tied to mental health, with a focused research trajectory that spans child and adolescent development as well as severe psychiatric conditions like schizophrenia and bipolar disorder.

Best Publications

  • Prevalence of psychotic symptoms in childhood and adolescence: a systematic review and meta-analysis of population-based studies.

    Ian Kelleher;Dearbhla Connor;Mary C. Clarke;Nina Devlin

  • School-based suicide prevention programmes: the SEYLE cluster-randomised, controlled trial

    Danuta Wasserman;Christina W. Hoven;Camilla Wasserman;Camilla Wasserman;Melanie Wall

  • Psychotic-like experiences in the general population: characterizing a high-risk group for psychosis.

    Ian Kelleher;Mary Cannon

  • Clinicopathological significance of psychotic experiences in non-psychotic young people: evidence from four population-based studies

    Ian Kelleher;Helen Keeley;Paul Corcoran;Fionnuala Lynch

  • Childhood trauma and psychosis in a prospective cohort study: cause, effect, and directionality

    Ian Kelleher;Helen Keeley;Paul Corcoran;Hugh Ramsay

  • Are Screening Instruments Valid for Psychotic-Like Experiences? A Validation Study of Screening Questions for Psychotic-Like Experiences Using In-Depth Clinical Interview

    Ian Kelleher;Michelle Harley;Michelle Harley;Aileen Murtagh;Mary Cannon

  • Associations between childhood trauma, bullying and psychotic symptoms among a school-based adolescent sample

    Ian Kelleher;Michelle Harley;Fionnuala Lynch;Louise Arseneault

  • Psychotic Symptoms and Population Risk for Suicide Attempt A Prospective Cohort Study

    Ian Kelleher;Paul Corcoran;Helen Keeley;Johanna T. W. Wigman

  • Association of Psychotic Experiences With Subsequent Risk of Suicidal Ideation, Suicide Attempts, and Suicide Deaths: A Systematic Review and Meta-analysis of Longitudinal Population Studies.

    Kathryn Yates;Ulla Lång;Martin Cederlöf;Fiona Boland

  • Childhood and adolescent psychotic experiences and risk of mental disorder: a systematic review and meta-analysis.

    Colm Healy;Ross Brannigan;Niamh Dooley;Helen Coughlan

  • Cannabis use and childhood trauma interact additively to increase the risk of psychotic symptoms in adolescence.

    Michelle Harley;Ian Kelleher;Mary C Clarke;Fionnuala Lynch

  • Psychotic Symptoms in Adolescence Index Risk for Suicidal Behavior: Findings From 2 Population-Based Case-Control Clinical Interview Studies

    Ian Kelleher;Fionnuala Lynch;Michelle Harley;Charlene Molloy

  • Psychotic experiences in a mental health clinic sample: implications for suicidality, multimorbidity and functioning

    Ian Kelleher;Nina Devlin;Johanna Tw Wigman;Anne Kehoe

  • Referral patterns for specialist child and adolescent mental health services in the Republic of Ireland during the COVID-19 pandemic compared with 2019 and 2018.

    Fiona McNicholas;Ian Kelleher;Elma Hedderman;Fionnuala Lynch

  • Identification and Characterization of Prodromal Risk Syndromes in Young Adolescents in the Community: A Population-Based Clinical Interview Study

    Ian Kelleher;Aileen Murtagh;Charlene Molloy;Sarah Roddy

  • Structural and functional brain correlates of subclinical psychotic symptoms in 11–13 year old schoolchildren

    Sarah Jacobson;Ian Kelleher;Michelle Harley;Aileen Murtagh

  • Psychotic experiences in the general population, a review; definition, risk factors, outcomes and interventions

    Unknown

  • Psychotic experiences in the population: Association with functioning and mental distress

    Ian Kelleher;Johanna T.W. Wigman;Michelle Harley;Michelle Harley;Erik O'Hanlon

  • Association of Urbanicity With Psychosis in Low- and Middle-Income Countries.

    Jordan E DeVylder;Ian Kelleher;Monique Lalane;Hans Oh

  • Neurocognition in the Extended Psychosis Phenotype: Performance of a Community Sample of Adolescents With Psychotic Symptoms on the MATRICS Neurocognitive Battery

    Ian Kelleher;Mary C. Clarke;Caroline Rawdon;Jennifer Murphy

  • PSYCHOTIC EXPERIENCES AS A PREDICTOR OF THE NATURAL COURSE OF, SUICIDAL IDEATION: A SWEDISH COHORT STUDY

    Ian Kelleher;Martin Cederlöf;Paul Lichtenstein

Frequent Co-Authors

Mary Cannon
Mary Cannon Royal College of Surgeons in Ireland
Jordan E. DeVylder
Jordan E. DeVylder Fordham University
Thomas Frodl
Thomas Frodl Otto-von-Guericke University Magdeburg
Ai Koyanagi
Ai Koyanagi University of Barcelona
Marco Sarchiapone
Marco Sarchiapone University of Molise
Mika Gissler
Mika Gissler Finnish Institute for Health and Welfare
Christina W. Hoven
Christina W. Hoven Columbia University
Paul Corcoran
Paul Corcoran University College Cork
Hugh Garavan
Hugh Garavan University of Vermont
Danuta Wasserman
Danuta Wasserman Karolinska Institute

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Exploring Social Sciences and Humanities opens up a range of flexible academic and career opportunities. Many students are now choosing online pathways for their convenience, speed, and affordability. For those interested in human behavior and mental health, masters programs in psychology offer an accessible route to further specialization and advanced roles, such as counseling or research positions.

If your goal is to move into leadership within education, accelerated edd programs online provide a fast-track option to get your Ed.D. and qualify for higher education administration or policy-making positions.

For students or working professionals looking to upskill quickly, an online master's degree can be completed in a year, helping you gain advanced knowledge without a lengthy commitment.

Additionally, those seeking to start their academic journey can consider an accelerated bachelor's degree online accredited program, allowing you to finish your undergraduate degree faster and enter the workforce or graduate study sooner. These options create flexible pathways to meaningful careers in the humanities and social sciences.

Best Scientists Citing Ian Kelleher

Trending Scientists