Many states now possess the data and statistical methods that can produce teacher value-added scores and link them to preparation programs. It is important to understand the limitations of these measures and the inferences that they do and do not support. These limitations fall into three categories. First, value-added measures (VAM) provide…

Science teaching and teacher education in the U.S.A. have been of great national interest recently due to a severe shortage of science (and mathematics) teachers who do not hold strong qualifications in their fields of study. Unfortunately we lack a rigorous research base that helps inform solid practices about various models or elements of…

Two major questions were raised in regard to four types of preschool programs. (1) Do programs differ in actual operation as well as descriptively? (2) Do programs have significantly different effects on children? Analysis of data obtained on samples of four classrooms in each of three programs (Bereiter-Engelmann, DARCEE, Traditional) and two…

This document includes abstracts of research and development projects dealing with agricultural education that were completed in the United States between September 1, 1987, and August 31, 1988. A total of 185 research abstracts are included (71 master's papers or theses, 44 doctoral dissertations, and 70 staff studies. Thirty institutions from 27…

A party of vocational educators from the United Kingdom (UK) traveled to the Federal Republic of Germany (FRG) to observe one- and two-year full-time courses in office skills that are designed for recent school leavers who did not participate in the country's dual system of vocational education and apprenticeship training. The focus of their…