The measurement of treatment integrity is critical to evaluate the efficacy and effectiveness of evidence-based programs (EBPs) designed to improve the developmental outcomes of young children at risk of emotional/behavioral disorders. Unfortunately, the science of treatment integrity measurement lags behind the development and evaluation of EBP…

The sequence of development as hypothesized by Piaget has been confirmed for various groups of children by cross-sectional and longitudinal studies. Such consistency has increased interest in constructing scales based on Piaget's theory according to psychometric principles. Three major problems are discussed which present definite obstacles in the…

The purpose of the Developmental Record Research Project was to construct an infant and child development record which could be used by paraprofessionals and those without training in test administration to monitor the developmental progress of children from birth to age 5. The project method, described in detail in this report, involved (1)…

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…

The tests described in this index are used by the Institute for Developmental Studies in its principal areas of research and do not include recently developed tests. The research at the Institute is concerned with (1) the relationship of differing environments to language development, (2) classroom communication between teachers and children of…