While out trick-or-treating for Halloween, at first, Billy's neighbors had to remind him to say "trick or treat" before they dropped their treats into his bag. As he continued to visit houses in the neighborhood, soon Billy would say "Trick or treat" as soon as the neighbors answered the door. The treats he received were the ____ for his saying "Trick or treat."
a. conditioned stimulus
b. reinforcement
c. reward
d. discriminative stimulus
B
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African American children growing up in households headed by a grandmother are well adjusted.
Answer the following statement true (T) or false (F)
Diagnosis is to etiology as
a. where is to when. b. when is to where. c. why is to what. d. what is to why.
A researcher studies language development by selecting a sample of two-year-old children, a sample of three-year-old children, and a sample of four-year-old children. Each child's language skill is measured and the researcher plans to compare the scores for the three groups. This study is an example of a(n) ____
a. time-series design b. interrupted time-series design c. cross-sectional developmental design d. longitudinal developmental design
Which of the following are true of caffeine withdrawal symptoms?
A. They are permanent. B. They include headaches and fatigue. C. They are often severe. D. They can be safely treated with alcohol.