Twin studies of schizophrenia

A) fail to demonstrate a strong genetic link.
B) yield unreliable heritabilities, ranging from .20 to .75.
C) consistently yield high heritabilities, around .80.
D) consistently yield low heritabilities, around .30.


C

Psychology

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In the process of shaping, behaviors are ordered in terms of increasing similarity to the desired response. These behaviors are called _____________

a) primary reinforcers b) successive approximations c) secondary reinforcers d) unconditioned stimuli

Psychology

Who is most likely to conceptualize a study and design it?

A) project coordinator B) research assistant C) principal investigator D) Institutional Review Board

Psychology

Structures in the medial temporal lobes are involved in ________________ memory

a. semantic c. episodic b. implicit d. explicit

Psychology

According to Wilding and Valentine, individuals with exceptional memories have all of the following characteristics EXCEPT for

a. using learned memory strategies. b. having specialized interests and knowledge that make certain information easier to encode. c. having naturally superior memory abilities, such as vivid mental images. d. having superior intellectual abilities or differently structured brains.

Psychology