When a change in the scores of one variable is accompanied by a consistent change in the scores of another variable, we have what is known as a

Your grandfather explains to you how to use his new multifunctional phone. You ask him where he learned to use his new phone but he cannot recall. Trying his best, he can only tell you how it works. It is clear that your grandfather has limited ____

a. source memory b. episodic memory c. working memory d. procedural memory

A theater reported that their highest beverage sales this year

occurred during showings of The Great African Desert. However, we cannot conclude that the film affected beverage consumption because a. the placebo effect was not considered. b. only a correlation can establish causation. c. no correlation was computed. d. there was no control group.