
doi: 10.21865/ridep42_39
espanolEn este trabajo se muestra el comportamiento multivariante de la escala IL-HUMASS, compuesta de 26 items de escala tipo Likert y 4 dimensiones teoricas, para la evaluacion del nivel autopercibido encompetencias informacionales. Se aplica la escala a una muestra de 402 sujetos, futuros profesores de educacion secundaria en Espana. La tecnica de escalamiento multidimensional mediante ALSCAL, muestra dos dimensiones de maxima explicacion que explican el 95.9% de la varianza de la matriz. Las dimensiones tienen que ver con la familiaridad con el desempeno propuesto en el item en primer lugar, y con el componente instrumental o cognitivo del item, en segundo lugar. Se concluye relacionando estas dos dimensiones con las dimensiones teoricas de la escala inicial. En las conclusiones se senala la importancia de tener en cuenta las dos dimensiones obtenidas, ademas de las dimensiones teoricas senaladas, a la hora de disenar escalas relacionadas con la evaluacion de competencias informacionales EnglishThe multivariate characteristics of the IL-HUMASS scale are studied. This scale is formed by 26 Likert scale items and 4 dimensions and evaluate the information literacy self-perceived level of students. A sample of 402 subjects, all of them Spanish future teachers from secondary education, is obtained. It is implemented a multidimensional scaling technique by ALSCAL based on the distance matrix from the data. The results detected two empirical dimensions, which accounted for 95.9% of the variance. The first dimension is related to the level of familiarity with the content of the item andthe second dimension is related to cognitive or instrumental aspect of the item. In the conclusions, two dimensions obtained are connected with the original scale, in relation to the four theoretical dimensions. On the other hand, the conclusions highlight the importance of considering the two dimensions obtained, in addition to the classical dimensions, in the design of assessment scales of the construct information literacy
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