When are artists, musicians, inventors, mathematicians, and physicists the most creative?

A simple main effect is

a. a main effect that is statistically significant b. an interaction c. the effect of an independent variable at a particular level of another independent variable d. a post hoc test e. the difference between two significant main effects

For the past three years, Larry has repeatedly fondled his preteen stepdaughter and has sworn her to secrecy. Larry's behavior illustrates ____

a. pedophilic disorder b. voyeuristic disorder c. transvestic disorder d. sexual masochism disorder