A correlation coefficient can range from -1.0 to +1.0

Juan likes to play video games,

but he also needs to increase his exercise time. So, he decides to only play a video game after he has exercised for 30 minutes. Using video game playing as a reward for exercising illustrates the use of a. the Premack principle. b. latent learning. c. higher order conditioning. d. the law of association.

What does an implicit test of memory measure?

a. Relative activity of several brain areas b. Recent experiences that people may not remember consciously c. Depth of processing d. People's ability to explain the meaning behind the events they remember