Spanish Adaptation of the Working Alliance Inventory (WAI). Psychometric properties of the patient and therapist forms (WAI-P and WAI-T)

  1. Andrade González, Nelson
  2. Fernández Liria, Alberto
Revista:
Anales de psicología

ISSN: 0212-9728,  1695-2294

Ano de publicación: 2015

Volume: 31

Número: 2

Páxinas: 524-533

Tipo: Artigo

DOI: 10.6018/ANALESPS.31.2.177961 DIALNET GOOGLE SCHOLAR

Outras publicacións en: Anales de psicología

Resumo

The working alliance is one of the most widely studied con-structs in psychotherapy process research. The purpose of our study was to adapt the patient and therapist forms of the Working Alliance Inventory (WAI-P and WAI-T) into Spanish. Both measurement instruments were translated into Spanish through a systematic translation process. The psy-chometric properties of the instruments were evaluated in both a pilot study and a clinical study involving Spanish outpatients with depressive disorders and their therapists. In the clinical study, patients completed the Spanish-language Beck Depression Inventory (BDI) prior to initiating ther-apy and after the third and tenth psychotherapy sessions. High average scores were obtained with the Spanish-language WAI-P and WAI-T. A large number of individual items correlated satisfactorily with the overall score for the corresponding subscale. Both measures demonstrated excel-lent reliability (internal consistency) and convergent validity. There were some limitations in the discriminant validity of the measures vs. measures of empathy. Regarding predictive validity, the overall WAI-P and the Task subscale of the WAI-T separately explained a moderate percentage of the variance in patient change in the BDI after the tenth psychotherapy ses-sion. These results were satisfactory and consistent with those obtained in studies using the English-language WAI

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Fonte de datos: Dialnet