The college admissions office has determined that the correlation between IQ scores and college grade point average is .50 . What percent of the variation in college grades is accounted for by knowing IQ scores?

Psychologists sometimes use the term ______ to refer to emotional expression

a) affect b) emotional lability c) anhedonia d) emotional regulation

Because dogs do not need to be conditioned to salivate to food, salivation to food is a(n)

A) conditioned response. B) conditioned reflex. C) unconditioned response. D) neutral response.