Equivalent short forms of the Situational Feature Recognition Test 2: Psychometric properties and analysis of interform equivalence and test–retest reliability
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2019-12-01
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John Wiley and Sons Ltd
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Objective: To obtain two equivalent short forms of the “Situational Feature Recognition Test, Version 2,” a social perception test, and their psychometric properties. Methods: Patients with schizophrenia (n = 101) were assessed at two different times. Statistical analyses were performed as follows: (1) Cronbach's alpha was used to assess reliability; (2) Spearman correlations, Wilcoxon signed-rank test, and a 2 (form) × 2 (time) repeated measures multivariate analysis of variance were used to analyse interform equivalence; (3) Sensitivity to change was studied by a 2 (group) × 2 (time) repeated measures multivariate analysis of variance; (4) Spearman correlations were employed to assess test–retest reliability, convergent and discriminant validity, and relationship with functionality and symptoms. Results: The short forms showed good internal consistency at both times. Significant and moderate correlation between forms was found along with no statistically significant form x time interaction. Hits and false positives of both forms were moderately correlated at both times. Group x time interaction was significant especially for hits when assessing sensitivity to change. Both forms were significantly correlated with other social cognition domains and with functionality. Conclusions: Results of this study support the use of short forms of the Situational Feature Recognition Test, Version 2 especially in clinical trials and longitudinal studies among patients with schizophrenia.
Palabras clave
Equivalent forms
Schizophrenia
Short forms
Social cognition
Social perception
Schizophrenia
Short forms
Social cognition
Social perception
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Gómez-Gastiasoro, A., Peña, J., Zubiaurre-Elorza, L., Ibarretxe-Bilbao, N., & Ojeda, N. (2019). Equivalent short forms of the Situational Feature Recognition Test 2: Psychometric properties and analysis of interform equivalence and test–retest reliability. International Journal of Methods in Psychiatric Research, 28(4). https://doi.org/10.1002/MPR.1802