What is the reoccurrence of a previously extinguished conditioned response, typically after some time has passed since extinction?
a. Extinction
b. Spontaneous recovery
c. Acquisition
d. Discrimination
Answer: B
Rationale: Pavlov's dogs would salivate in response to a tone after extinction had taken place, albeit less so than at the end of acquisition.
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In recent years, death has impacted young and middle-aged adults in distinctive ways through
a. service in the military reserves b. their work as rescuers at the World Trade Center c. membership in the National Guard d. all of these e. none of these
Genetic males with testicular feminization (androgen insensitivity) develop looking and acting female. This condition develops because of a genetic mutation that has which effect?
A. It decreases the production of cortisol. B. It prevents the production of testosterone. C. It causes a conversion of testosterone into estradiol within certain cells. D. It prevents testosterone from having its usual effects.
The ability to question one’s own understanding of a situation or problem appears during the ______ stage.
a. sensorimotor b. preoperational c. formal operations d. concrete operations
Imagine you are a research advisor and your student proposes the following study: To determine the effectiveness of a new medication, conduct a two-group design comparing the medication to a placebo
Then conduct a second two-group design comparing a high-dose medication, low dose-medication, and placebo. What would you suggest as an alternative to this research proposal? a) Conduct a multiple-group design b) Conduct a natural observation. c) Conduct a qualitative study. d) Conduct a series of case studies.