ANOVA versus Regression Analysis of ATI Designs: An Empirical Investigation
- 1 December 1986
- journal article
- Published by SAGE Publications in Educational and Psychological Measurement
- Vol. 46 (4) , 917-928
- https://doi.org/10.1177/001316448604600411
Abstract
The theory indicating that general linear model methods can be superior to ANOVA analogs is well known. However, the magnitudes of differences induced by different analysis choices has not been empirically investigated. The paper reports a Monte Carlo study of these differences over nine combinations of three sample sizes and three population parameter effect sizes. Generally, ANOVA methods tended somewhat to overestimate smaller effect sizes and to underestimate larger effect sizes.Keywords
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