When is a one-tailed test used?
a. When no relationship is predicted
b. When a relationship is predicted and the direction in which the scores will change is predicted
c. When the demonstrated relationship is predicted
d. When a relationship is predicted without stating the direction in which the scores will change
B
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Aaron has had to reschedule his voice recital four times. Each time on the day before his recital, he loses his voice. Aaron's doctor cannot find anything that could physically cause Aaron to lose his voice. Thus, psychological factors appear to underlie Aaron's symptoms, which indicates that Aaron most likely has a __________ disorder
a. mood b. psychotic c. somatoform d. dissociative
Tristan cannot think of a set of defining features for game. Some games have playing pieces (e.g., checkers or chess), but other games do not (e.g., dodgeball or freeze-tag). Some games have a winner (e.g., baseball or football), while others do not (e.g., role-playing games). Based on this information, the notion of a game is a __________ concept.
A. prototypical B. semantic C. abstract D. formal
The process through which people find a partner who is similar to themselves is called ______.
A. assortative mating B. self-affirmation C. social learning theory D. operant conditioning
Darwin believed that emotional expressions began as ________ that came to have evolutionary value because they ________
a. physiological reactions; convey emotional states to other members of the species b. physiological reactions; increased the efficiency of bodily reactions c. communication devices; increased the efficiency of bodily reactions d. random mutations; convey expectations to other members of the species