The IIP‐32: A short version of the Inventory of Interpersonal Problems
Abstract
Three related studies are presented focusing on the development of a short 32‐item version of the Inventory of Interpersonal Problems (IIP). Study 1 presents the procedures for item selection on the IIP short version; Study 2 presents a confirmatory analysis of the IIP short version on an independent sample; and Study 3 provides preliminary normative (general population and out‐patient) data and additional evidence of the psychometric properties of the IIP short form. The results suggest that the short version sacrifices little compared to the original 127‐item version in terms of its psychometric properties while being considerably more convenient for routine clinical practice.
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The IIP-32 subscales had internal consistency (Cronbach's alpha) of 0.60 to 0.83, and total consistency of 0.81 and 0.86.
“The IIP subscales’ internal consistency was calculated using Cronbach’s alpha coefficient, which was 0.60 to 0.83 and for the total consistency a score of 0.81 and 0.86 was determined (31).”
From Effectiveness of acceptance and commitment therapy on interpersonal problems and difficulties in emotion regulation among university students (2017) · cites this paper as [31]
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“IIP-32 requires participants to rate the items based on a 5-point scale, ranging from 0 (not at all) to 4 (extremely), with higher scores reflecting higher levels of interpersonal problems.”
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- Authors
- Barkham, M., Hardy, G. E., & Startup, M.
- Affiliations
- University of Leeds (GB)
- Bangor University (GB)
- Corresponding author
- Barkham, Michael
- Venue
- British Journal of Clinical Psychology
- Publisher
- Wiley
- Published
- 1996-02
- Volume
- 35
- Issue
- 1
- Pages
- 21-35
- ISSN
- 0144-6657 (ISSN-L)
- 2044-8260
- OpenAlex
- W2007500580
- Cited by
- 430
- References
- 12
- Citations by year
- 2026: 16 · 2025: 24 · 2024: 29 · 2023: 29 · 2022: 24 · 2021: 31 · 2020: 18 · 2019: 15 · 2018: 24 · 2017: 20 · 2016: 24 · 2015: 17 · 2014: 17 · 2013: 16 · 2012: 10
- FWCI
- 7.30
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- British Journal of Clinical Psychology (publishedVersion)
- PubMed (publishedVersion)
- Funders
- Aberystwyth University
- Bangor University
- Medical Research Council
- Economic and Social Research Council
- Topics
- Social Sciences › Psychology › Applied Psychology › Psychological Testing and Assessment
- Social Sciences › Psychology › Experimental and Cognitive Psychology › Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes
- Social Sciences › Decision Sciences › Management Science and Operations Research › Psychometric Methodologies and Testing
- Keywords
- Inventory of Interpersonal Problems, short-form questionnaire, item selection, psychometric properties, reference values, interpersonal problems, interpersonal functioning, clinical evaluation
- MeSH terms
- Adolescent, Adult, Aged, Aged, 80 and over, Ambulatory Care, Mental Disorders, Female, Humans, Interpersonal Relations, Male, Middle Aged, Personality Inventory, Psychometrics, Psychotherapy, Reference Values, Social Behavior, Reproducibility of Results
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