In this commentary of "Evaluating the Gifted Program of an Urban School District Using a Modified Regression Discontinuity Design" by Davis, Engberg, Epple, Sieg, and Zimmer, we examine the background of the study, critique the methods used, and discuss the results and implications. The study used a fuzzy regression discontinuity design…

The present article provides a primer on using effect sizes in research. A small heuristic data set is used in order to make the discussion concrete. Additionally, various admonitions for best practice in reporting and interpreting effect sizes are presented. Among these is the admonition to not use Cohen's benchmarks for "small," "medium," and…

Analysis of the research reported by R. J. Light and P. V. Smith in Harvard Educational Review, Social Allocation Models of Intelligence," v.30, 1969, p.484-510. (VW)

An interactive relationship between intelligence and right dominance in predicting reading ability is suggested as a reason for the variation of the results reported in the relevant literature. Discusses implications for theory and practice in relation to reading and reading difficulty. (Editor/RK)

Private schooling in the third world is on the increase and in particular in one of the low-income areas of India, where a data analysis on Hyderabad has been carried out. The University of Newcastle has conducted an initiative research in Hyderabad on the impact on pupils' progress in Reading and Spelling tests. This initiative was called…