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Individual Differences Research

An international, peer-reviewed, open-access journal

IDR publishes sound empirical, theoretical, and methodological work across the psychological sciences, with a focus on how individual variation shapes psychological processes, behavior, and outcomes. Areas of emphasis include personality, temperament, affective processes, cognition, and related individual differences constructs.

Manuscripts are now being considered for Volume 24, Issue 1 (2026)

Volume 24 marks the journal’s return to regular publication and is being developed as a focused collection of contemporary individual differences research. Read the Call for Papers for details.

Recent Publications

Financial Procrastination: Assessing Wealth Indecision and Avoidance with a Self-Report Scale

Vol. 24, No. 1 (2026) || Published January 2026

DOI: https://doi.org/10.65030/idr.24001


Subjective Emptiness as a Link Between Sense of Self and Psychological Distress in Emerging Adults

Vol. 24, No. 1 (2026) || Published January 2026

DOI: https://doi.org/10.65030/idr.24002


Psychological Boundaries, Coping, and Noctcaelador: Examining a Psychic Structure Model

Vol. 23 (2025) || Published December 2025 

DOI: https://doi.org/10.65030/idr.23006


Ego Identity, Self-Esteem, Locus of Control, and Purpose in Life Among College Students: A Mediation Analysis

Vol. 23 (2025) || Published November 2025

DOI: https://doi.org/10.65030/idr.23005


Creativity, Hope, and Coping: Cognitive and Motivational Pathways to Adaptive Stress Responses

 Vol. 23 (2025) || Published October 2025

DOI: https://doi.org/10.65030/idr.23003


Recent articles include contributions from authors in North America, Europe, and Asia.

  • Founded in 2003
  • Double-blind peer review
  • Impact factor (2024): 6.077 (SJIF)
  • 3 Issues yearly with fully citable rolling publication after acceptance
  • Timely, decisive editorial decisions based on merit, not author status or topic.
  • Open access :: CC BY 4.0 
  • Unique DOIs for each article
  • Over 13,000 citations across published work* 


*Based on Google Scholar data for all articles excluding editorials, December 31, 2025

Publisher: IDRP Ltd Co