Five-year-old Tommy is helping get ready for a family reunion at Thanksgiving by polishing the good silverware. If his mother gives him a dime for each piece he polishes, what kind of reinforcement schedule is she using?
a. fixed interval
b. fixed ratio
c. variable interval
d. variable ratio
b
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The scientific term for nearsightedness is
a. hyperopia. b. myopia. c. astigmatism. d. presbyopia.
The binomial distribution applies equally well to discrete and continuous variables
Indicate whether the statement is true or false
The manner in which a clinical interview is conducted can impact the information obtained
Indicate whether the statement is true or false
What causes some babies to be born with external genitals intermediate between male and female? a. A female fetus is exposed to a high fever because of her mother's illness. b. A female fetus is exposed to less than the usual amount of estrogens. c. A male fetus is exposed to more than the usual amount of estrogens
d. A female fetus is exposed to more than the usual amount of testosterone.