Reliability and Validity of the Brief Resilience Scale (BRS) Spanish Version

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Abstract

Resilience is defined as the ability to recover from stress. However, all resilience measures with exception of the Brief Resilience Scale (BRS) assess resources that make resilience possible instead of recovery. The purpose of this study was to translate the BRS to Spanish and to analyze the reliability and validity of its scores. The psychometric properties of its scores were examined in a heterogeneous sample of 620 Spanish adults. Confirmatory factor analyses were carried out to study its scores’ evidence of structural validity. Besides, to study its scores’ evidence of convergent, discriminant, and predictive validity in relation to other resilience questionnaires (Connor Davidson Resilience Scale 10-item version, Situated Subjective Resilience Questionnaire for Adults and Resiliency Questionnaire for Adults) and to variables such as emotions (Modified Differential Emotions Scale), coping (Person-situation Coping Questionnaire for Adults), anxiety and depression (Hospital Anxiety and Depression Scale), posttraumatic growth (Posttraumatic Growth Inventory), perceived stress (Perceived Stress Scale) and posttraumatic stress (Davidson Trauma Scale), correlation and regression analyses were conducted. To study its sensitivity, we assessed the effect of sociodemographics and the ability of the scale to identify high-risk populations by conducting analyses of variance and Pearson correlations. The BRS scores showed adequate reliability (α = .83; intraclass coefficient = .69). Confirmatory factor analyses showed that the Spanish version of the BRS is mono-factorial (χ2/df = 2.36; standardized root mean square residual = .036; goodness-of-fit index = .980; comparative fit index = .984; incremental fit index = .984; root mean square error of approximation = .067). They also showed adequate evidence of the scores’ convergent, concurrent and predictive validity. The Spanish version of the BRS is a reliable and valid means to assess resilience as the ability to bounce back.

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