Education decisionmakers need access to the best evidence about the effectiveness of education interventions, including practices, products, programs, and policies. It can be difficult, time consuming, and costly to access and draw conclusions from relevant studies about the effectiveness of interventions. The What Works Clearinghouse (WWC)…

The Learning and Skills Network (LSN) has carried forward the initial work of the Learning and Skills Development Agency (LSDA) and the Centre for Excellence in Leadership (CEL) to develop a professional development framework for e-learning: This publication shares the experiences of staff and their good practice as they used LSN's Framework as…

Written by a social worker for social work students, this is a nuts and bolts guide to statistics that presents complex calculations and concepts in clear, easy-to-understand language. It includes numerous examples, data sets, and issues that students will encounter in social work practice. The first section introduces basic concepts and terms to…

Compares the usefulness of standard score results (such as correlations and standardized regression of coefficients) to that of raw scores results (such as covariances and raw score regression coefficients). Examines the two main advantages of presenting standardized results. Demonstrates the implications of these two standardized score advantages…

According to the Web of Causation epidemiologic model, every disease has multiple causes, and every cause also has multiple causes. The article describes a Web project in an introductory epidemiology course and includes specific guidelines for the written project and a model student web. (SM)

Studies evaluating hypotheses about sources of differential item functioning (DIF) are classified into two categories: observational studies evaluating operational items and randomized DIF studies evaluating specially constructed items. For observational studies, advice is given for item classification, sample selection, the matching criterion,…

This book is directed toward students in organizational-theory and problem-analysis classes and their professors, as well as school administrators seeking to examine their problems and policies from new perspectives. It explains and illustrates methodology for describing, documenting, and analyzing organizational problems. Part I, "Methodology,"…