Psychometric Properties of the Persian Version of the Clients' Experience of Therapy Scale (CETS)
| Author | Fahimeh Fathali Lavasani | en |
| Author | Mohsen Mohammadpour | en |
| Author | Mahmood Dehghani | en |
| Author | Aliakbar Foroughi | en |
| Author | Komeil Zahedi Tajrishi | en |
| Orcid | Fahimeh Fathali Lavasani [0000-0002-4103-1490] | en |
| Orcid | Mohsen Mohammadpour [0000-0001-5491-894X] | en |
| Orcid | Mahmood Dehghani [0000-0001-9038-5722] | en |
| Orcid | Aliakbar Foroughi [0000-0002-5532-426X] | en |
| Orcid | Komeil Zahedi Tajrishi [0000-0002-5752-7706] | en |
| Issued Date | 2026-12-31 | en |
| Abstract | Background: Assessing clients' subjective experiences is essential for understanding psychotherapy processes and outcomes beyond symptom reduction. Objectives: This study aimed to evaluate the psychometric properties of the Persian version of the Clients' Experience of Therapy Scale (CETS) in an Iranian sample. Methods: In this cross-sectional study, 458 participants with current or prior psychotherapy experience completed the CETS, the Real Relationship Inventory-Client (RRI-C), the In-Session Patient Affective Reactions Questionnaire (SPARQ), and the Rift In-Session Questionnaire (RISQ). Confirmatory factor analysis (CFA) was conducted to examine the proposed five-factor structure. Internal consistency, convergent validity, and discriminant validity were also assessed. Results: The initial CFA indicated suboptimal model fit. After theoretically justified modifications involving residual covariances between conceptually related items, the revised five-factor model demonstrated acceptable fit indices (CFI = 0.93, GFI = 0.92, RMSEA = 0.07). The total scale demonstrated good internal consistency (Cronbach's α = 0.84), and subscale reliability coefficients ranged from 0.66 to 0.88. The CETS total score was positively correlated with the RRI-C and SPARQ Positive Affect and negatively correlated with the RISQ and SPARQ Negative Affect, supporting convergent and discriminant validity. Conclusions: The Persian version of the CETS demonstrated acceptable preliminary psychometric properties in an Iranian sample and may serve as a useful process-oriented measure for assessing clients’ subjective experiences of psychotherapy. Further research is needed to replicate the factor structure and evaluate additional psychometric properties across diverse clinical populations. | en |
| DOI | https://doi.org/10.5812/ijpbs-169620 | en |
| URI | https://brieflands.com/journals/ijpbs/articles/169620 | en |
| Keyword | Psychotherapy | en |
| Keyword | Psychotherapy Process | en |
| Keyword | Client Experience | en |
| Keyword | Psychometric Validation | en |
| Keyword | Confirmatory Factor Analysis | en |
| Publisher | Brieflands | en |
| Title | Psychometric Properties of the Persian Version of the Clients' Experience of Therapy Scale (CETS) | en |
| Type | Research Article | en |
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