In an application of classical conditioning principles reported in the text, how were sheep ranchers able to protect their sheep from coyotes?
a. The sheep ranchers learned to shoot more accurately through reinforcement. b. Live sheep were injected with a poison that would kill coyotes.
c. Sheep carcasses were injected with poison that would kill coyotes.
d. Sheep carcasses were injected with a poison that would sicken but not kill coyotes. e. Sheep were classically conditioned to fear coyotes.
d
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Betty believes she is less capable than her coworkers, even though she has won many awards for her performance. She often feels lonely and believes no one wants to be her friend. Her future seems empty and meaningless. These traits characterize
a. cyclothymia. b. psychotic depression. c. the "depressive triad." d. somatic deficits in depression.
What are two results of continuing to present the secondary reinforcer (the magazine sound) during extinction rather than eliminating it together with the primary reinforcer (food)?
a. The extinction criterion is reached sooner, and a larger number of responses is produced. b. The extinction criterion is reached later, and a larger number of responses is produced. c. The extinction criterion is reached sooner, and a smaller number of responses is produced. d. The extinction criterion is reached later, and a smaller number of responses is produced.
The human cortex is wrinkled because:
A. it is very old compared to more primitive brains B. wrinkling increases the surface area C. the cell body causes a constriction at the surface D. the axons pull down on certain parts of the cortex
Dr. Gholson tells his students to maintain caution as they begin to draw conclusions on their own research. He encourages them to follow the law of parsimony, which means that ____.?
a. ?statistically significant results are not due to chance factors b. ?results must be reported with the highest ethical standards c. ?all members of a population had an equal chance of being selected for the study d. ?the correct explanation tends to be the simplest one