This article describes the analysis of regression-discontinuity designs (RDDs) using the R packages rdd, rdrobust, and rddtools. We discuss similarities and differences between these packages and provide directions on how to use them effectively. We use real data from the Carolina Abecedarian Project to show how an analysis of an RDD can be…

The presentation of case study research in this book is based on a disciplined, qualitative inquiry into a single case, rather than quantitative methodologies or case studies for instructional purposes. Practical suggestions are given for gathering and organizing data and for data interpretation and reporting. (SLD)

The case-study method used in "Understanding Graduate Women's Reentry Experiences" yielded personal information of considerable depth, but the conclusions drawn from the study are not all that different from those drawn from more quantitative investigations. Suggests that a multimethod approach is the best research strategy. (SLD)

Explores what the "knowledge base for school learning" described by M. Wang, G. Haertel, and H. Walberg might mean for education by describing some cases of school learning from fieldwork in elementary schools. The focus is on psychological dimensions of school learning. (SLD)

Reviews the following books: "Child Care in Context" (Lamb et al., Eds.); "Making Friends in School: Promoting Relationships in Early Childhood" (Ramsay); "The Epigenesis of Mind: Essays on Biology and Cognition" (Carey and Gelman, Eds.); "Moral Maturity: Measuring the Development of Sociomoral Reflection"…