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OD in Schools: The State of the Art. Vol. III: OD Consultants/OD Programs in School Districts. Final Report.

Miles, Matthew B.; And Others – 1978

The third of a five-volume series, this volume consists of two empirical studies of organization development (OD) in school systems. Part 1 reports on information gathered from over 300 OD consultants in the United States and Canada regarding job title, work base, sex, geographical region, type of training, and nature and extent of OD work in…

Descriptors: Consultants, Elementary Secondary Education, Foreign Countries, Multiple Regression Analysis

Pretest-Posttest Correlation and Regression Models.

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Yap, Kim Onn – 1979

The accuracy with which regression models estimate treatment effects is dependent upon a number of conditions. The stability of the regression line (a function of sample size and correlation between pretest and posttest) is said to be the most important of these conditions. The utility of regression models is proportional to the size of the…

Descriptors: Correlation, Data Analysis, Educational Testing, Evaluation Methods