Which of the following historical events precipitated one of the most intense and rapid periods of advance in the study of how motor skills are learned?

People who have a(n) ______ are afraid of being evaluated in some negative way by others, so they tend to avoid situations that can be embarrassing

a) agoraphobia b) social anxiety disorder c) specific phobia d) interactive phobia

According to Cattell, the study of source traits is important because

a) source traits lead to the biological sources of behavior. b) source traits allow us to make behavioral predictions. c) we can use the findings to effect change for those traits. d) such research is the first step in controlling deviant behavior.