Statistical analysis of many studies on Piaget's stage 4 object concept attempts to synthesize available quantitative data. Factors of this "meta-analysis" include: (1) effects of age; (2) number of A trials; (3) length of delay between hiding and search; (4) number of locations; and (5) visual properties of hiding arrays. Includes…

Presents 40 questions, commentaries, and rebuttals on the generalizability of validities of employment tests of cognitive abilities and meta analysis. (BL)

Examined the relation between a counselor's conceptual level (CL) and the counseling process. Counselors who were matched with a compatible environment performed better than those who were mismatched. Low-CL individuals performed significantly better in more highly structured environments, whereas high-CL individuals showed only a slight…

Meta-analysis, applying data analysis to quantitative summaries of individual studies, is described in terms of procedures and advantages (inclusiveness and examination of interactions across studies) for special education research. (CL)

During the 1990s, the use of meta-analytic methods in educational research has been widespread, and few aspects of education have escaped the meta-analytic revolution. The acceptance has not been complete, however, and several threats to validity remain. Prominent among these are the "normality" problem and the "independence"…

The Mathematics Anxiety Rating Scale (MARS) (F. Richardson and R. Suinn, 1972) was submitted to a reliability generalization analysis to characterize the variability of measurement error in MARS scores across administrations and to identify possible study characteristics that are predictive of reliability variation. The meta-analysis was performed…

Two general categories comprise the various effect size indices that have been proposed for use in meta-analysis: (1) the "d"-type estimator (based on magnitude of mean difference); and (2) the "r"-type estimator (based on magnitude of correlation). In meta-analyses, researchers often must convert these effect size indices to a common metric to…

Discusses meta-analysis results for gender differences in mathematics achievement. (MKR)

Meta-analysis, one strategy nurses can use to influence public policy in health care, can amplify effects too small to observe in single or small studies, bring cost data to the fore, and highlight ramifications of local interest to policy- makers. (SK)

Findings of a review of 64 meta-analytic articles show that experimental data and quasi-experimental or nonexperimental data are sometimes combined incorrectly. Discusses how guidance from proponents of meta-analysis fails to make clear the importance of not synthesizing different kinds of data. (SLD)

Conducted a reliability generalization study of the Marlowe-Crowne Social Desirability Scale (D. Crowne and D. Marlowe, 1960). Analysis of 93 studies show that the predicted score reliability for male adolescents was 0.53, and reliability for men's responses was lower than for women's. Discusses the need for further analysis of the scale. (SLD)

Explored variability in reliability scores on a career scale, the Career Decision-Making Self-Efficacy Scale (K. Taylor and N. Betz, 1983). Of the 49 studies examined, 41% reported score reliabilities. Of the five subscales, Problem Solving shows the lowest score reliability. Higher score reliability is associated with age, racial/ethnic…

Examined the score reliability of a measure of life satisfaction, the Life Satisfaction Index (LSI) using 34 research studies. Results reveal an average reliability of 0.79. Results provide evidence for adequate reliability of LSI scores across a variety of sample characteristics, but they must be interpreted with caution given the small sample…

Examined the quantitative dose-response relationship for strength development by calculating the magnitude of gains elicited by various levels of training intensity, frequency, and volume; thus clarifying the effort to benefit ratio. A meta-analysis of 140 studies with 1,433 effect sizes (ES) was conducted. ES demonstrated different responses…

Meta-analysis of six studies published 1976-1996 indicated that the factors having the highest predictive power for nursing faculty job satisfaction were intrinsic; organizational characteristics and climate had little power. Perceptions/expectations of deans'/chairs' role and faculty role conflict/ambiguity were also significant. (SK)