Inventory of Interpersonal Problems Psychometric Properties and Clinical Applications

This article describes a new instrument, the Inventory of Interpersonal Problems (IIP), which measures distress arising from interpersonal sources. The IIP meets the need for an easily administered self-report inventory that describes the types of interpersonal problems that people experience and th...

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Bibliographic Details
Published in:	Journal of consulting and clinical psychology Vol. 56; no. 6; pp. 885 - 892
Main Authors:	Horowitz, Leonard M, Rosenberg, Saul E, Baer, Barbara A, Ureño, Gilbert, Villaseñor, Valerie S
Format:	Journal Article
Language:	English
Published:	Washington, DC American Psychological Association 01-12-1988
Subjects:	Adult Biological and medical sciences Distress Female Human Humans Interpersonal Interaction Interpersonal Relations Inventories Male Medical sciences Mental Disorders - diagnosis Mental Disorders - psychology Middle Aged Personal relationships Personality Inventory Psychology Psychology. Psychoanalysis. Psychiatry Psychometrics Psychopathology. Psychiatry Psychotherapy Social research Stress, Psychological - diagnosis Stress, Psychological - psychology Techniques and methods Test Reliability Test Validity Treatment Effectiveness Evaluation Human Clinical test Test validation Psychological difficulty Psychometrics Diagnosis Inventory of Interpersonal problems Interpersonal relation
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Summary:	This article describes a new instrument, the Inventory of Interpersonal Problems (IIP), which measures distress arising from interpersonal sources. The IIP meets the need for an easily administered self-report inventory that describes the types of interpersonal problems that people experience and the level of distress associated with them before, during, and after psychotherapy. Two studies are reported. In Study 1, psychometric data are presented for 103 patients who were tested at the beginning and end of a waiting period before they began brief dynamic psychotherapy. On both occasions, a factor analysis yielded the same six subscales; these scales showed high internal consistency and high test-retest reliability. Study 2 demonstrated the instrument's sensitivity to clinical change. In this study, a subset of patients was tested before, during, and after 20 sessions of psychotherapy. Their improvement on the IIP agreed well with all other measures of their improvement, including those generated by the therapist and by an independent evaluator. Although the IIP and the Symptom Checklist-90-Revised ( SCL -90- R ) were both sensitive to change during the first 10 sessions, only the IIP was sensitive to change in the second 10 sessions. Furthermore, the difference between patient distress on the IIP and on the SCL -90- R successfully discriminated between patients who completed the full treatment and those who did not. Finally, some kinds of problems were more amenable to treatment than others. Problems of assertiveness, for example, were discussed more often and improved more readily than problems of intimacy.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	0022-006X 1939-2117
DOI:	10.1037/0022-006X.56.6.885