When Jan helped her mother clean up after her baby brother, Jan's mother praised her daughter for being so thoughtful. For Jan, her mother's praise is serving as a
a. positive reinforcer.
b. negative reinforcer.
c. primary reinforcer.
d. response cost.
ANSWER: a
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People with diagnosed psychological disorders are very likely to use which of the following substances?
a. LSD b. heroin c. ecstasy d. nicotine
Statistically, second marriages are
a. more likely to end in divorce than first marriages b. likely to last as long as first marriages c. more likely to be cross-racial d. none of these is true
When faced with an approach/approach conflict, people simply wait for events to resolve the conflict for them
a. True b. False
According to Mildred Parten's research on peer sociability, play develops in what sequence?
A) nonsocial, parallel, cooperative, associative B) nonsocial, parallel, associative, cooperative C) cooperative, parallel, nonsocial, associative D) associative, cooperative, parallel, nonsocial