Optimal interstimulus intervals vary for different systems. Why might this occur?
A. It reflects the latency to respond in a particular reflex system.
B. It is because the CS changes the UCS at different rates.
C. It is because the UCS impacts the CS at different rates.
D. It is because the conditioned stimulus elicits different unconditioned responses at different rates.
A. It reflects the latency to respond in a particular reflex system.
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Which statement concerning condom use is true?
a. Adolescent females report less condom use than adolescent males. b. Condom use increases from mid to late adolescence. c. Condom use has decreased during the past few decades. d. About two-thirds of teens use condoms each time they engage in sexual intercourse.
In Korea, how is the holiday of Chuseok celebrated?
A. dressing up as the deceased B. visiting with family C. donating to charity D. visiting shrines and bringing offerings
If there is a confounding variable in an experiment, you cannot:
a. know the cause of the outcome. b. obtain a significant result. c. select participants randomly. d. avoid making a Type II error.
Lev Vygotsky proposed a socially mediated process of development that centers around
A) pairing a neutral stimulus with a reflexive response to create a conditioned behavior. B) imprinting on a mother-figure during the critical period. C) survival child's independent efforts to make sense of the world. D) cooperative dialogues with adults and more expert peers.