The Bayley's Scales of Infant and Toddler Development-Third Edition (Bayley-III) were used to measure the development of 24-month-old children (N = 1,452) in the Interactions of Malnutrition and Enteric Infections: Consequences for Child Health and Development (MAL-ED) study (an international, multisite study on many aspects of child development).…

The construct validity of scores on the Behavior Rating Scale of the revised Bayley Scales of Infant Development was studied with national standardization samples of children ranging from 1 to 42 months and a variety of factor analytic methods. The factor structure became more complex at older ages. (SLD)

This study investigates the nature and the factor structure of infant intelligence. The Bayley Mental Scale items were administered. According to the analysis, intelligence at any age is a set of separate mental abilities at each age, and there are a variety of paths through which mental development occurs. (JAZ)

The reliability and validity of three measures of infant temperament were compared in this study. The measures included the revised Carey (1978) Infant Temperament Questionnaire, a version of the Bayley (1969) Infant Behavior Record revised for completion by the parent, and a modified version of Buss and Plomin's (1975) EASI, an acronym standing…

The original Bayley Scales of Infant Development (BSID) have been among the most popular measures of performance and aptitude of infants. In this study, the construct validity of scores on the Behavior Rating Scale of the revised Bayley Scales, the BSID-II, was investigated using national standardization and clinical samples of children ranging in…