Federal agencies conduct large, national studies that provide abundant data easily accessible to researchers. While these datasets provide access to rich data for analyzing a multitude of topics, certain skills are necessary for appropriate use. Specifically, over sampling and multistage cluster sampling must be accommodated in the analyses to…

Some longitudinal databases already available which can serve as models for future data collection and for policy making are summarized: Cooperative Institutional Research Program (CIRP), Wisconsin High School Sample; Project TALENT; National Longitudinal Study (NLS) of the High School Class of 1972, SCOPE, and Youth in Transition. (Author/MLW)

This final report of the National Day Care Study (NDCS), Volume II, provides researchers, social scientists and lay readers with information for judging the soundness of the evidence underlying NDCS conclusions about relationships between regulatable center characteristics and the outcome of care for the child. Thus, Volume II makes free use of…

In light of the transition from a labor- to a knowledge-intensive economic system, member countries of the Organization for Economic Cooperation and Development (OECD) seem to have little choice but to increase the efficient allocation of both the quality and flow of knowledge and literacy skills. To reduce risks and counter the factors that…