The model of the etiology of obsessive-compulsive disorder in the text suggests that in order for an individual to develop OCD, ________ must be present.
A. biological vulnerability
B. psychological vulnerability
C. both biological and psychological vulnerabilities
D. neither biological nor psychological vulnerabilities
Answer: C
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What did Hermann Ebbinghaus contribute to the study of memory?
a. He was the first to map the brain areas responsible for memory. b. He devised the first mnemonic devices c. He used hypnosis to reveal lost memories. d. He conducted the first experiments to measure memory.
A cocaine user experiences a decline in mood or "crash" because when cocaine levels drop, the
a. receiving neurons absorb fewer neurotransmitters. b. sending neurons absorb fewer neurotransmitters. c. receiving neurons absorb more neurotransmitters. d. sending neurons absorb more neurotransmitters.
Research indicates that children are more liked by their peers if they have substantial knowledge about the emotions they experience. The likely reason for this is that these children
a. rarely display their emotions when in the presence of their peers. b. may have learned to respond appropriately to the emotional expressions of their peers. c. have learned to control their negative emotions. d. display more emotions than most of their peers.
The age at which a baby was weaned would have most impact on the __________ stage
a) oral b) anal c) phallic d) genital