In psychological studies, a representative sample refers to a group made up of
A) participants similar to the larger population we want to study.
B) persons who are all the same ages.
C) individuals who have volunteered.
D) members of Congress.
A
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What does synaptic pruning refer to?
A. the deterioration of myelin in the cerebral cortex B. the generation of new neurons as a child develops over time C. the "clipping" of axons that don't receive strong enough signals from other axons D. the elimination of neurons as a result of nonuse or lack of stimulation
The main limitation of concrete operational thinking is that such thought is limited to a. hypothetical situations
b. tangible, real-life examples. c. emotional issues. d. long-term memories.
Which of the following statements is correct regarding the treatment of specific phobias? a. Structured exposure-based exercises are no longer considered necessary
b. Individuals with "blood" phobias must learn to relax their muscles to keep their blood pressure high enough to prevent fainting. c. Exposure-based exercises actually change brain functioning. d. Avoiding a phobic situation weakens the phobic response.
The hippocampus _____ the HPA axis by ______ release of CRH.
A. inhibits; stimulating B. inhibits; inhibiting C. stimulates; stimulating D. stimulates; inhibiting