This paper gives an overview of research on modelling science competence in German science education. Since the first national German educational standards for physics, chemistry and biology education were released in 2004 research projects dealing with competences have become prominent strands. Most of this research is about the structure of…

This document describes the breadth of the research that the ETS (Educational Testing Service) Research & Development division is conducting in 2010. This portfolio will be updated in early 2011 to reflect changes to existing projects and new projects that were added after this document was completed. The research described in this portfolio falls…

This paper presents theory concerning the relationships between reliability, misinformation and item discrimination coefficients. It is shown that, to the extent that misinformation rather than ignorance causes examinees to miss multiple-choice items, higher item discrimination coefficients and lower difficulty indices may be expected. Data were…

This digest examines the organization of and international studies conducted by the International Association for the Evaluation of Educational Achievement (IEA). The IEA is a non-profit, private association that conducts international comparative studies on schools and aids the research community in developing international tests and statistical…

A research project to evaluate materials for teacher education is described that reviews the development of evaluation tools, provides new measures, and applies the new measures to current visual materials. It is expected that as the study continues, it will reveal several explicit and implicit ideological stereotypes and assumptions about beliefs…

This document summarizes 161 research and development activities in agricultural education that were completed between July 1, 1982, and June 30, 1983. The projects, which are listed by state, represent research and development efforts undertaken at 34 institutions in 30 states and include 78 master's studies or theses, 37 doctoral dissertations,…

This document summarizes 174 research and development activities in agricultural education that were completed between July 1, 1983, and June 30, 1984. The projects, which are listed by state, represent research and development efforts undertaken at 33 institutions in 30 states and include 86 master's studies or theses, 39 doctoral dissertations,…