When there are no known genetic or organic influences, the causes of mild retardation are generally considered to be
A. substances
B. cultural-familial
C. prenatal
D. completely unknown
B. cultural-familial
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According to John Holland's personality type theory, people who are risk-takers and have good leadership skills are described as __________.
A. conventional B. enterprising C. social D. realistic
The developmental quotient (DQ) is an overall developmental score assessing a range of skills and behaviors.
Answer the following statement true (T) or false (F)
Marcel runs a carpet cleaning business, and he asks his clients to pay for each square foot of carpet that is cleaned, rather than paying an hourly rate for having their carpets done. Based on what is known about schedules of reinforcement, you should conclude that Marcel prefers to work when he is being reinforced on a:
a. variable-ratio schedule b. fixed-interval schedule c. fixed-ratio schedule d. variable-interval schedule
The climacteric ends with
a. menarche. c. senescence. b. death. d. menopause.