Agents of support: Psychometric properties of the Cancer Perceived Agents of Social Support (CPASS) questionnaire

Gil Goldzweig, Ilanit Hasson-Ohayon, Amichay Meirovitz, Michal Braun, Ayala Hubert, Lea Baider

Research output: Contribution to journalArticlepeer-review

24 Scopus citations


Objective: The current study presents the development and the evaluation of the psychometric properties of the Cancer Perceived Agents of Social Support (CPASS). The CPASS is a new self-rating instrument devised in order to enable both cancer patients and their spouses to report on the level of perceived social support they get. The CPASS evaluates the support given by different agents of support (spouse, family, friends and spiritual or religious beliefs) in several dimensions (emotional, cognitive and instrumental). Methods: The study sample comprised 662 cancer patients and their spouses recruited during a routine medical evaluation from three major cancer centers in Israel. The participants completed the CPASS and two other standardized instruments: The ENRICH Marital Satisfaction Scale (EMS) and the Brief Symptom Inventory (BSI). Results: Principal component analysis confirmed a three-factor structure based upon the agent of support (spouse; friends/family; spiritual/religious beliefs). Cronbach's α coefficients for the agent of support indexes were high (0.80-0.95), while Cronbach's α levels for the kind of support were lower (0.45-0.72). Smallest Space Analysis (SSA) also confirmed the theoretical structure of the CPASS. Pearson correlation coefficients to the other study variables were high and significant. Conclusions: As a whole, the CPASS was found to be a valid tool for the current Israeli sample. Theoretical and practical conclusions and socio-cultural implications are discussed.

Original languageEnglish
Pages (from-to)1179-1186
Number of pages8
Issue number11
StatePublished - 1 Nov 2010
Externally publishedYes


  • cancer
  • oncology
  • reliability
  • social support
  • validity

ASJC Scopus subject areas

  • Experimental and Cognitive Psychology
  • Oncology
  • Psychiatry and Mental health


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