Describes the major findings of research on effective principals and identifies the problems preventing its practical application to development of administrative training programs and school improvement policies and practices. Provides three new precise models that portray more accurately the complexity of the principal's involvement as…

One of a series of sixteen knowledge transformation papers, this paper examines the advantages and disadvantages of longitudinal studies as a method for evaluating vocational programs. First, longitudinal methods are defined for the differences between them and cross-sectional studies are established. The results of a literature search conducted…

Six papers discuss concerns and research in mathematics education and reflect the diversity of approaches used in addressing substantive issues related to mathematics teaching and learning. Student, curriculum, and teacher are considered in empirical and conceptual studies, each of which also presents a review of the literature. (SLD)