When conducting statistical analyses in an experimental design, in order to confirm the research hypothesis, the researcher hopes that which of the following is true?
A) The within-groups variance is greater than the between-groups variance.
B) The between-groups variance is greater than the within-groups variance.
C) The mean in the experimental condition is greater than the mean in the control condition.
D) The mean in the control condition is greater than the mean in the experimental condition.

Question

Quizplus · Accepted Answer

In experimental design, researchers aim for the between-groups variance to be greater than the within-groups variance, indicating that the differences between groups are due to the experimental manipulation rather than random chance.

When Conducting Statistical Analyses in an Experimental Design, in Order