A little boy is allowed to play with a laboratory rat and shows no fear of it. Then, a
scientist makes a scary noise by banging an iron bar whenever the little boy reaches
for the rat.
Soon, the boy begins crying whenever the rat comes near him. In this study,
the boy's fear of the rat is the ______.
a. unconditioned stimulus c. conditioned stimulus
b. unconditioned response d. conditioned response
D
Psychology
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Which of the following is not a symptom of menopause?
A) Vaginal walls lose much elasticity. B) The vagina shrivels in size. C) The labia majora thin. D) The vagina produces less lubrication.
Psychology
When the researcher has actively altered the environmental conditions, then the independent variable has been
a. assigned b. manipulated c. confounded d. strengthened
Psychology