We evaluated the factor structure, reliability, and discriminative capacity of the Positive and Negative Affect Schedule (PANAS) questionnaire in four different samples: two general adult populations ( N = 1,548, N = 964), one adolescent population ( N = 1,044), and young people with depressive symptomatology ( N = 307). Exploratory factor analyses (EFAs) were performed with subsamples from Studies 1 ( n = 773) and 2 ( n = 527), finding that the two- and three-factor solutions had a good fit. In a confirmatory factor analysis, the two-factor solution resulted in an adequate fit in a second set of subsamples from both studies ( n = 775, n = 517). In Study 3, we found good convergent and divergent validity with adequate and significant correlations found for depression (Beck's Depression Inventory), anxiety (State-Trait Anxiety Inventory), and neuroticism and extroversion (Big Five Inventory). In Study 4, the results of an EFA performed in a subsample ( n = 154) found that the two- and three-factor solutions were appropriate with the former solution being confirmed in a second subsample ( n = 153). Reliability was α = .85 for positive affect and α = .87 for negative affect. The PANAS questionnaire showed adequate indicators of validity and reliability in adult and adolescent populations as well as in a sample with depressive symptoms.

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Resumenel presente estudio evalúa las propiedades psicométricas del cuestionario de bienestar sexual subjetivo en jóvenes y adultos chilenos residentes en santiago de chile. se aplicó la versión de la escala traducida al español a una muestra de 661 jóvenes y adultos con edades comprendidas entre 18 y 54 años que no reportaron alguna enfermedad mental o física. el 49% de la muestra estuvo conformada por mujeres y el 51% por hombres. Las propiedades psicométricas y confiabilidad fueron evaluadas mediante análisis factorial exploratorio y alpha de cronbach. la estructura factorial óptima del cuestionario fue la de un factor con 4 ítems y presenta una confiabilidad adecuada (α= .73), aunque el ítem 4 presenta cargas factoriales bajas. Los resultados indican que la versión chilena del cuestionario de bienestar sexual subjetivo es un instrumento autoadministrado válido y confiable para evaluar el bienestar en el ámbito sexual de mujeres y hombres sin reporte de enfermedad física o mental. Palabras Claves: Bienestar sexual subjetivo, propiedades psicométricas, cuestionario breve. Abstract the present study evaluates the psychometric properties of subjective sexual well-being questionnaire in young and adult chileans who residing in santiago. the version of the scale translated into spanish, was applied to a sample of 661 young and adults people between the ages of 18 and 54 who did not report any mental or physical illness. 49% of the sample was women and 51% of men. the psychometric properties and reliability were evaluated by exploratory factorial analysis and cronbach's alpha. the optimal factorial structure of the questionnaire was one factor with 4 items and had adequate reliability (α = .73), although item 4 had low factor loadings. the results indicate that the version of the subjective sexual well-being questionnaire is a valid and reliable self-administered instrument to evaluate the sexual well-being of women and men without reports of physical or mental illness.