The Reflective Judgment Model and associated interview (RJI) (Kitchener and King, 1981) measure the ability of individuals to reason about ill-structured problems. It has gained popularity as a measure of college outcomes associated with postsecondary education. This study examines general claims for the model made from existing data from 15 of 25…

Validity generalization meta-analysis (VG) examines the extent to which the validity of an instrument can be transported across settings. VG offers correction and summarization procedures designed in part to remove the effects of statistical artifacts on estimates of association between criterion and predictor. By employing a random effects model,…

A meta-analysis examined a series of studies by F.M. Dwyer on the effect of illustrations on text comprehension. Principal component analysis was used to reduce the four posttests used by Dwyer to more fundamental factors of learning, followed by analyses of variance. All nine studies (involving secondary-school and college students) in which…

This review examined the literature on peer tutoring in reading with students with disabilities, using the methodology of best evidence synthesis. This approach combines positive aspects of meta analysis with traditional integrative review procedures. It requires all studies reviewed to meet stringent a priori standards. Analysis of the 11 studies…

This report reviews research on the effects of between- and within-class ability grouping on the achievement of elementary school students. The review technique, known as "best-evidence synthesis," combines features of meta-analytic and narrative reviews. Overall, evidence does not support assignment of students to self-contained classes…

The meta analysis reported in this paper considers the implications of combined correlational evidence for the nature of the relationships of mathematical and spatial skills, and for the possibility that spatial skill underlies gender differences in favor of males on mathematical tasks. In all, 136 studies reported in 116 articles and…

Developing good criterion measures of professional performance is difficult. If criterion-related validity evidence for certification requirements could not be generalized beyond the specific context in which it was obtained, gathering that evidence would probably not be worth the effort. This paper examines two possible approaches to the…

Monte Carlo studies of statistical tests are prominently featured in the methodological research literature. Unfortunately, the information from these studies does not appear to have significantly influenced methodological practice in educational and psychological research. One reason is that Monte Carlo studies lack an overarching theory to guide…

This bibliography identifies reports of research on correlates, causes, effects, and treatment of test anxiety. The listing was developed for a synthesis of research, performed by meta-analysis at Adrian College, Michigan in 1986-87. Guidelines for including studies were applied as follows: (1) the research concerned academic test anxiety, using…

Part of a series, this preliminary report is on a meta-analysis study of successful and unsuccessful transition of handicapped youth from secondary education to postsecondary settings. The study had four major objectives: (1) to review annual progress reports of federally funded (Office of Special Education and Rehabilitation) transition projects,…

In 1981 a meta-analysis of research in science education was completed by a team of researchers under the direction of Ronald Anderson at the University of Colorado. Individual teams synthesized the extant research using meta-analysis procedures. One of the syntheses showed that the post-Sputnik or "new" science programs on the whole…

A policy of reducing class size seems sensible, but might have costly, far-reaching implications for students, teachers, and public support for schools. The purpose of this research brief is to summarize 100 class size research studies from 1950 to 1985 and to regroup them into 18 areas of concern. The cluster analysis approach was designed to…

The feasibility of employing survey data that uses the states of the United States as the societal units in macro-level sociological research was studied. The range of issues available for research opened to investigation would be greatly expanded if it were possible to aggregate national survey data to produce state-level statistics for variables…

The one-page abstract summarizes "Brain Research: Implications for the Education of Exceptional Children," an ERIC Computer Search Reprint containing bibliographic information and abstracts of 115 documents. Citations are described in five sections: learning disabilities, autism, other learning handicaps, assessment techniques, and instructional…

Methods for meta-analysis have evolved dramatically since Gene Glass first proposed the term in 1976. Since that time statistical and nonstatistical aspects of methodology for meta-analysis have been developing at a steady pace. This guide is an attempt to provide a practical introduction to rigorous procedures in the meta-analysis of social…