The smaller the between-groups variance, _____.
A) the more difficult it becomes to show the effects of experimental variance
B) the easier it becomes to show the effects of experimental variance
C) the more difficult it becomes to perform the F test
D) the easier it becomes to show a causal effect of the independent variable on the dependent variable

Question

Quizplus · Accepted Answer

A smaller between-groups variance means that the differences between the group means are less pronounced, making it harder to detect any effects of the experimental manipulation, thus making it more difficult to show the effects of experimental variance.

The Smaller the Between-Groups Variance, _____