RESUMO -O estudo objetivou adaptar e validar a Family Dynamics Measure II para uso com famílias de mulheres com câncer de mama. O processo incluiu tradução, retrotradução, análise da equivalência semântica pela autora principal do instrumento, análise semântica por amostra da população-alvo, análise de conteúdo por juízes e avaliação das propriedades psicométricas da escala aplicada a 251 familiares de mulheres com câncer de mama. Obteve-se versão adaptada com fidedignidade geral boa (α = 0,90); a análise fatorial não confirmou a dimensionalidade teórica do instrumento original; as correlações com a Escala de Ansiedade e Depressão Hospitalar foram invertidas e de baixa a moderada intensidade. A escala foi considerada válida para uso no Brasil. Novos estudos foram sugeridos para fortalecer as evidências.Palavras-chave: escala; dinâmica familiar; oncologia.
Family Dynamics Measure II Adaptation and Validation to Family Members of Women with Breast CancerABSTRACT -The study aimed to adapt and validate the Family Dynamics Measure II for use with families of women with breast cancer. The process included translation, back-translation, semantic equivalence analysis by the instrument's main author, semantic analysis per sample of the target population, content validity analysis by judges and evaluation of psychometric properties of the scale applied to 251 relatives of women with breast cancer. It was obtained an adapted version with good reliability (α=0.90); factor analysis did not confirm the theoretical dimensionality of the original instrument; correlations with the Hospital Anxiety and Depression Scale were inverted, and from low to moderate intensity. The scale was considered valid for use in Brazil. Further studies are suggested to strengthen the evidence.
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