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Revista Ciencias de la Salud
versión impresa ISSN 1692-7273versión On-line ISSN 2145-4507
Resumen
LIZARAZO MEDINA, Jenny Paola; OSPINA DIAZ, Juan Manuel y MANRIQUE ABRIL, Fred Gustavo. Psychometric properties of the scale NBAS applied to preterm or low birth weight. Rev. Cienc. Salud [online]. 2012, vol.10, n.1, pp.43-58. ISSN 1692-7273.
Objective: to assess, in a randomized sample of measurements made with the NBAS scale, in preterm and / or low birth weight babies, some psychometric characteristics of the same as her construct validity and internal consistency. Materials and methods: we designed a study of assessment of Psychometric properties. From a study of cross-sectional measurements, there were made assessment of the statistic behavior of the items, individually and in their internal consistency, then, there were carried out, type exploratory and confirmatory factor analysis. Results: we find that, in the analysis of preterm or low birth weight babies, the scale remains largely, the overall structure of factors proposed since 1982, in relation to the dimensions of habituation, social interactive and complementary. The items that make up the dimensions of SNA and motor systems are integrated. Also, we found Cronbach alpha values for internal consistency, which reflects higher to medium correlation levels in the behavioral and reflex items. Conclusion: the NBAS scale reflects characteristics of construct validity and internal consistency, which credits it as a useful tool in clinical assessment of neurodevelopmental effects of preterm or low birth weight babies. It is necessary to analyze the structure of the scale when used for purposes of scientific research.
Palabras clave : NBAS scale; neurodevelopment; validity; reliability.