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O objetivo deste estudo é a adaptação e validação psicométrica da UCLA — Loneliness Scale para a população idosa portuguesa. A estabilidade temporal [α (16 itens) = 0.985], consistência interna (0.905) e validade fatorial (2 fator) demonstrou que a escala UCLA tem uma fidedignidade elevada como um instrumento de diagnóstico da solidão geriátrica. Esta conclusão foi validada pela análise discriminante da função. Finalmente, submetemos a amostra a classificação hierárquica pelo método CHAID (Chi-squared Automatic Interaction Detetor), a fim de definir quais os parâmetros que podem ser preditivos de sentimentos de solidão nos idosos.Psychometric Validation of the UCLA-Loneliness Scale for Portuguese ElderlyThe main purpose of this study is the adaptation and psychometric validation of the UCLA Loneliness Scale for the Portuguese elders. The analyses of temporal [α (16 items) = 0.985] and internal (0.905) consistencies and fatorial (2 fator) validities demonstrate that UCLA-16 Loneliness Scale is highly reliable as a screening instrument for geriatric loneliness. This conclusion was further validated by both discriminative function analysis. In the realm of this study the sample has also been classified according to CHAID (Chi-squared Automatic Interaction Detetor) method in order to identify the parameters that are predictive of the feelings of loneliness.Keywords: UCLA Loneliness Scale, reliability, discriminant fator analysis, CHAID.
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