Which of the following is a possible alternative hypothesis for a correlational study?
A. ?xy? 0
B. ?XY>0
C. ?XY < 0
D. rxy = 0
Answer: B
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Assume that we generated a prediction just by adding together the number of stressful events you report experiencing over the last month, the number of close friends you have, and your score on a measure assessing how much control you feel you have over events in your life (i.e., prediction = stress + friends + control). The regression coefficient for stressful events would be
a. 1.0 b. 4.0 c. 0.0 d. There is no way to know.
Any behavior that occurs infrequently among the members of a population would be considered:
a. culturally deviant b. dysfunctional c. emotionally distressing d. statistically deviant
LTD has been recorded in the structure labeled #____________________ in this illustration, which is a ____________________, when the structures labeled #____________________ and #____________________, known as ____________________ and ____________________, were simultaneously stimulated.
Fill in the blank(s) with the appropriate word(s).
What is the difference between dissociative amnesia and retrograde amnesia?
a. Retrograde amnesia is caused by a psychological trauma, while dissociative amnesia is often caused by a physical event like a blow to the head. b. Dissociative amnesia is caused by a psychological trauma, while retrograde amnesia is often caused by a physical event like a blow to the head. c. Dissociative amnesia occurs when a person forgets past memories, while retrograde amnesia involves the inability to create new memories. d. Retrograde amnesia occurs when a person forgets past memories, while dissociative amnesia involves the inability to create new memories.