Following an omnibus F-test,a researcher may learn about specific sources of systematic variation in a single-factor independent groups experiment by performing
A) comparisons of two means.
B) repeated measures t-tests.
C) correlation coefficients.
D) simple main effects.

Question

Quizplus · Accepted Answer

Comparisons of two means, such as post-hoc tests or planned comparisons, are typically performed after an omnibus F-test in an ANOVA to identify specific pairs of groups between which there are significant differences. This helps in understanding the specific sources of systematic variation identified by the initial F-test.

Following an Omnibus F-Test,a Researcher May Learn About Specific Sources