Social Sciences
8 years ago

New test stats improve accuracy in analyzing unequal sample data dispersion.

Educational and Psychological Measurement
New Test Statistics for MANOVA/Descriptive Discriminant Analysis
W. Timothy Coombs, James Algina

Paper Summary

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The researchers developed five new statistical tests to analyze data when the variability in the measurements is different between groups. They compared these new tests with an existing one and found that the new tests performed better in controlling errors when the data had unequal sample sizes and varying dispersion.