Animal models have been widely used for studying the physiology and pharmacology of psychiatric and neurological diseases. The concepts of face, construct, and predictive validity are used as indicators to estimate the extent to which the animal model mimics the disease. Currently, we used these three concepts to design a theoretical assignment to…

This paper describes the design of the interdisciplinary study of the growth and development of Dutch children in progress at the University of Nymegen, The Netherlands. Schaie's design is based on a trifactorial model which isolates the contributions to developmental data of the factors age, cohort and time of measurement. (Author/MS)

To alter the predominance of secondary school enrollment in lower vocational education in the Rotterdam district, the Educational Social Environment Project has developed and introduced kindergarten and elementary school curriculum for socially deprived children. This article describes the project's summative evaluation design, variable…

Presents an historical overview of the development of research from a narrow input-output approach to a holistic approach that evaluates within-school processes. Finds that selective processes produce higher academic achievement. (CFR)

This volume contains 14 papers from international sources that outline fundamental concepts and research interests connected to the measurement of quality in postsecondary education. Some of the papers consist of concept papers and others are more extensive reports of research underway or findings from recently concluded studies. The papers are as…