Getting paid every two weeks at your job comes closest to which schedule of reinforcement?
a. variable ratio
b. variable interval
c. fixed ratio
d. fixed interval
D
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Brain imaging techniques are used by __________ to study language?
A. acquisition linguists B. language neuroscientists C. imaging specialists D. neurolinguists
Based on the information about suicide in the text, which of the following statements would be most likely to appear in a suicide note?
a. "I don't think I was ever loved as a child." b. "I think that human beings are born to be evil." c. "Please be sure that Mom remembers to take the dog to the vet this week." d. "I believe that World War III will break out any day now."
The study of White, Black, and Asian college students and their views of their own race shows which of the following?
A. how we view social groups we belong to affects our self-concept B. how we view others affects their self-esteem C. racial groups influence the identity of other racial groups D. members of dominant groups feel more tied to their race than members of minority groups
When initial labor begins, mild uterine contractions usually are about ______ minutes apart:
a. 60 b. 10 c. 15 to 20 d. 1 to 2