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Download full textOlsen, Robert B.; Unlu, Fatih; Price, Cristofer; Jaciw, Andrew P. – National Center for Education Evaluation and Regional Assistance, 2011
This report examines the differences in impact estimates and standard errors that arise when these are derived using state achievement tests only (as pre-tests and post-tests), study-administered tests only, or some combination of state- and study-administered tests. State tests may yield different evaluation results relative to a test that is…
Descriptors: Achievement Tests, Standardized Tests, State Standards, Reading Achievement
Peer reviewedHeller, Peter L.; Quesada, Gustavo M. – Rural Sociology, 1977
Testing the hypothesis that at least two types of rural familism exist within different geographic regions of the United States, this study indicates that extended kin-oriented familism predominates in the rural Southeast and primary kin-oriented familism predominates in the rural Far West. (JC)
Descriptors: Differences, Extended Family, Geographic Location, Hypothesis Testing
Peer reviewedCarver, Ronald P. – Harvard Educational Review, 1978
Reviews case against using traditional statistical methods in educational research. Examines "fantasies" entertained by researchers about the meaning of statistical significance. Recommends abandoning statistical significance testing and suggests other ways of evaluating research results. Advocates a return to the scientific method of examining…
Descriptors: Data Analysis, Differences, Educational Research, Hypothesis Testing
Hummel, Thomas J.; Johnston, Charles B. – 1986
This study investigated seven methods for analyzing multivariate group differences. Bonferroni t statistics, multivariate analysis of variance (MANOVA) followed by analysis of variance (ANOVA), and five other methods were studied using Monte Carlo methods. Methods were compared with respect to (1) experimentwise error rate; (2) power; (3) number…
Descriptors: Analysis of Variance, Comparative Analysis, Correlation, Differences
