World's Best Scientists 2026 revealed!

D-Index & Metrics

Psychology

D-Index
38
Citations
6003
World Ranking
8889
National Ranking
3

Overview

Jack E. James is affiliated with Reykjavík University in Iceland and has contributed to multiple publications primarily within the field of Medicine. Their research spans various subfields including Pharmacology, Aquatic Science, Physiology, Immunology, and General Health Professions.

The scientist's work covers several main topics, notably:

  • Coffee research and impacts
  • Smoking Behavior and Cessation
  • Aquaculture disease management and microbiota
  • Aquaculture Nutrition and Growth
  • Aquatic life and conservation
  • Academic Publishing and Open Access
  • Obesity, Physical Activity, Diet

Jack E. James has coauthored papers frequently with several researchers, including:

  • Álfgeir L. Kristjánsson
  • Steven M. Kogan
  • Christa Lilly
  • Megan L. Smith
  • Michael J. Mann

The scientist has published in a variety of venues, such as:

  • BMJ evidence-based medicine
  • Aquaculture Reports
  • JMIR Research Protocols
  • Journal of the Association for Information Science and Technology
  • Preventive Medicine

Among the notable papers authored or coauthored by Jack E. James are:

  • Maternal caffeine consumption and pregnancy outcomes: a narrative review with implications for advice to mothers and mothers-to-be, 2020, BMJ evidence-based medicine
  • Pirate open access as electronic civil disobedience: Is it ethical to breach the paywalls of monetized academic publishing?, 2020, Journal of the Association for Information Science and Technology

Best Publications

  • Caffeine and health

    Jack E James

  • Critical review of dietary caffeine and blood pressure: a relationship that should be taken more seriously.

    Jack E. James

  • Experiential learning and change: Theory design and practice

    G. A. Walter;S. E. Marks;Jack E. James

  • A Meta-analysis of the effects of experimental manipulations of social support during laboratory stress

    Einar B Thorsteinsson;Jack E James

  • Effects of caffeine on performance and mood: withdrawal reversal is the most plausible explanation.

    Jack E. James;Peter J. Rogers

  • Stress among Parents of Children with and without Autism Spectrum Disorder: A Comparison Involving Physiological Indicators and Parent Self-Reports

    Ciara Padden;Jack E. James

  • Understanding Caffeine: A Biobehavioral Analysis

    Jack E. James

  • Acute and chronic effects of caffeine on performance, mood, headache, and sleep.

    Jack E. James

  • Adolescent substance use, parental monitoring, and leisure-time activities: 12-year outcomes of primary prevention in Iceland

    Alfgeir Logi Kristjansson;Alfgeir Logi Kristjansson;Jack E. James;John P. Allegrante;Inga Dora Sigfusdottir

  • Adolescent Substance Use, Sleep, and Academic Achievement: Evidence of Harm Due to Caffeine.

    Jack E. James;Álfgeir Logi Kristjánsson;Inga Dóra Sigfúsdóttir

  • Hemodynamic profile of stress-induced anticipation and recovery

    M.Elizabeth Gregg;Jack E. James;Thomas A. Matyas;Einar B. Thorsteinsson

  • Does Caffeine Enhance or Merely Restore Degraded Psychomotor Performance

    Jack E. James

  • Influence of attention focus and trait anxiety on tolerance of acute pain.

    Jack E. James;Drifa Hardardottir

  • Parenting Stress, Salivary Biomarkers, and Ambulatory Blood Pressure: A Comparison Between Mothers and Fathers of Children with Autism Spectrum Disorders

    Ciara Foody;Jack E. James;Jack E. James;Geraldine Leader

  • Effects of video-relayed social support on hemodynamic reactivity and salivary cortisol during laboratory-based behavioral challenge.

    Thorsteinsson Eb;James Je;Gregg Me

  • The modification of parent behavior. A review of generalization and maintenance.

    Matthew R. Sanders;Jack E. James

  • Is habitual caffeine use a preventable cardiovascular risk factor

    Jack E James

  • Individual differences in adaptation of cardiovascular responses to stress.

    Brian M. Hughes;Siobhán Howard;Jack E. James;Niamh M. Higgins

  • Self‐report reliability and symptomatology of habitual caffeine consumption.

    J E James;M S Bruce;M H Lader;N R Scott

  • Marital Discord and Child Behavior Problems: A Description of Family Interactions During Treatment

    Mark R. Dadds;Matthew R. Sanders;Brett C. Behrens;Jack E. James

Frequent Co-Authors

Einar B. Thorsteinsson
Einar B. Thorsteinsson University of New England
Matthew R. Sanders
Matthew R. Sanders University of Queensland
Katharina Domschke
Katharina Domschke University of Freiburg
Yen Kuang Yang
Yen Kuang Yang National Cheng Kung University
Andrew Paul Smith
Andrew Paul Smith Cardiff University
Geraldine Leader
Geraldine Leader University of Galway
Lina A. Ricciardelli
Lina A. Ricciardelli Deakin University
Josep M. Mercader
Josep M. Mercader Broad Institute
Bryan Roche
Bryan Roche National University of Ireland, Maynooth

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