The impact myelination has on an adolescent's brain is to ______.
A. cause the burst in synaptogenesis
B. cause the synaptic pruning that makes brain functioning more efficient
C. trigger the end of puberty and beginning of adulthood
D. increase the brain's white matter
Answer: D
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If you conduct a study and predict that X causes Y, then X is the ____ variable
a. internal b. external c. independent d. dependent variable
Those who study cognitive learning claim that learning can take place in an individual:
A. who has not received any noticeable rewards, but who simply observes and imitates B. only if the learning is reflexive in nature C. who shows a change in behavior D. only when the behavior is followed by an effect
Members of ___ in many cases do not occupy the same physical location.
a. social movements b. queues c. crowds d. panics e. mobs
Gilbert thought he could detect the faint odor of smoke coming from the room next door. However, he wasn't really sure because the odor was very faint and when he tried to smell it again it seemed to have disappeared. Based on research conducted by psychophysicists, you should conclude that the odor from the smoke was:
a. below Gilbert's difference threshold for smell b. above Gilbert's adaptation threshold for smell c. below Gilbert's level for perceptual invariance d. just at Gilbert's absolute threshold for smell