Inventory of Interpersonal Situations (IIS)

Description

The Inventory of Interpersonal Situations (IIS) is a psychometric instrument designed to assess an individual’s ability to manage and respond effectively to a wide range of interpersonal situations and social interactions. The questionnaire evaluates how individuals perceive, interpret, and cope with challenging social circumstances, providing valuable insight into their interpersonal competence and social functioning.

The IIS examines multiple aspects of interpersonal behavior, including assertiveness, social confidence, conflict management, responses to social pressure, emotional expression, and the ability to establish and maintain effective interpersonal relationships. It also evaluates the coping strategies individuals employ when faced with demanding social situations and the extent to which these strategies contribute to successful social adaptation.

The instrument is widely used in clinical psychology, social psychology, counseling, educational psychology, psychotherapy, and behavioral research. Furthermore, it serves as a valuable assessment tool for evaluating social skills training programs, interpersonal interventions, and therapeutic approaches aimed at improving communication and social competence.

Analysis and Use of Data

Analysis of the Inventory of Interpersonal Situations (IIS) involves calculating overall and dimension-specific scores that reflect how individuals perceive, evaluate, and respond to various interpersonal situations.

The questionnaire assesses participants’ reactions to different social scenarios, the coping strategies they adopt, and the effectiveness of their interpersonal responses. The resulting scores provide a comprehensive profile of interpersonal functioning, allowing clinicians and researchers to identify strengths and areas requiring intervention.

In research settings, IIS scores may be examined in relation to numerous psychological and behavioral variables, including:

  • social skills,
  • assertiveness,
  • social self-efficacy,
  • social anxiety,
  • social phobia,
  • self-esteem,
  • emotional intelligence,
  • psychological resilience,
  • coping strategies,
  • interpersonal relationship quality,
  • psychological well-being,
  • depression,
  • anxiety, and
  • quality of life.

The psychometric evaluation of the instrument typically includes assessments of internal consistency using Cronbach’s alpha, test–retest reliability, and construct validity through Exploratory Factor Analysis (EFA) and Confirmatory Factor Analysis (CFA). Depending on the objectives of the study, additional statistical procedures may include correlation analysis, multiple linear regression, logistic regression, independent-samples t-tests, ANOVA, MANOVA, and Structural Equation Modeling (SEM) to investigate the relationships between interpersonal functioning and various psychological or social outcomes.

Purpose

The primary purpose of the Inventory of Interpersonal Situations (IIS) is to provide a reliable and valid assessment of an individual’s ability to respond effectively to everyday interpersonal and social situations.

The instrument assists psychologists, counselors, educators, and researchers in identifying difficulties in social interactions, evaluating interpersonal coping strategies, and assessing overall social competence. Furthermore, it supports the development and evaluation of interventions aimed at improving communication skills, reducing social anxiety, strengthening interpersonal relationships, and enhancing psychosocial adjustment.

In addition, the IIS serves as an important research instrument for investigating interpersonal functioning across clinical, educational, organizational, and community populations.

Scoring

The Inventory of Interpersonal Situations (IIS) consists of a series of statements or descriptions of interpersonal situations in which respondents are asked to indicate the degree of difficulty, frequency, or manner in which they typically respond, usually using Likert-type response scales.

Responses are scored according to the instrument’s standardized administration procedures to generate both overall and dimension-specific scores representing different aspects of interpersonal functioning. Depending on the specific version of the questionnaire, higher scores may indicate either greater interpersonal competence or greater interpersonal difficulty. Therefore, interpretation of the results should always follow the original scoring guidelines established by the developers of the instrument.

References

Arrindell, W. A., de Groot, P. M., & Walburg, J. A. (1984). The Inventory of Interpersonal Situations (IIS): Reliability, Validity and Psychometric Characteristics.

Arkowitz, H., Lichtenstein, E., McGovern, K., & Hines, P. (1975). The Behavioral Assessment of Social Competence.

Bellack, A. S., & Hersen, M. (1998). Behavioral Assessment: A Practical Handbook.

Caballo, V. E. (2003). Manual for the Assessment and Training of Social Skills. Siglo XXI.

Spence, S. H. (2003). Social Skills Training with Children and Young People: Theory, Evidence and Practice. Child and Adolescent Mental Health, 8(2), 84–96.