The Working Alliance Inventory for guided Internet interventions (WAI‐I)

Objective This study analyses the psychometric properties of the Working Alliance Inventory adapted for guided Internet interventions (WAI‐I). Methods We drew on the data set from a multicenter trial that examined a guided Internet intervention (deprexis) for patients with mild to moderate depressio...

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Bibliographic Details
Published in:Journal of clinical psychology 2020-06, Vol.76 (6), p.973-986
Main Authors: Gómez Penedo, Juan Martín, Berger, Thomas, grosse Holtforth, Martin, Krieger, Tobias, Schröder, Johanna, Hohagen, Fritz, Meyer, Björn, Moritz, Steffen, Klein, Jan Philipp
Format: Article
Language:English
Subjects:
Internet
Internet‐based interventions
online interventions
Patient satisfaction
Questionnaires
therapeutic alliance
working alliance
Working Alliance Inventory
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Summary:Objective This study analyses the psychometric properties of the Working Alliance Inventory adapted for guided Internet interventions (WAI‐I). Methods We drew on the data set from a multicenter trial that examined a guided Internet intervention (deprexis) for patients with mild to moderate depression. Two hundred twenty‐three patients completed the WAI‐I and the Patient Satisfaction Questionnaire (ZUF‐8) at posttreatment, and the Attitudes toward Psychological Online‐Interventions Questionnaire (APOI) at baseline. We ran confirmatory factor analyses (CFA) testing two‐ and three‐factor solutions and calculated Cronbach's α, item‐total correlations, and correlations of the WAI‐I with APOI and ZUF‐8. Results The results suggested a two‐factor solution, with a very good model fit and evidence of factor independency, adequate internal consistency, and external validity for the complete scale and the sub‐scales. Conclusions The WAI‐I showed as a reliable and valid instrument to capture alliance in guided Internet interventions, which might facilitate process‐outcome research and treatment development efforts.
ISSN:0021-9762
1097-4679
DOI:10.1002/jclp.22823