Most young children put their hands over their ears when they hear the loud boom of firecrackers at a Fourth of July festival, but at first pay just scant attention to the person lighting the firecrackers
However, after just a few firecrackers have been exploded, some of the children put their hands over their ears as soon as they see the person approach the firecracker with a match! What is the unconditioned stimulus?
a. the person lighting the firecrackers
b. the loud booming sound made by the firecrackers
c. the children putting their hands over their ears when they see the person about to light the firecrackers
d. the children putting their hands over their ears when the firecrackers explode
Answer b % correct 63 a= 26 b= 63 c= 8 d= 4 r = .41
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A. infancy B. childhood C. early adolescence D. high school
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a. genes b. culture c. family d. peers
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A. reflected light. B. charged particles. C. compressed air. D. ionized chemicals.
Studies conducted in Kenya, Egypt, and Mexico revealed that the
A) quality of food strongly predicted favorable cognitive development in middle childhood. B) age at which government-sponsored food programs were available was more important than vitamin supplements. C) quantity of food strongly predicted favorable cognitive development in middle childhood. D) regularity of vitamin supplementation was more important than the quality of food.