What is a problem with conducting research on sex work?
a. Because the exact size of the population is unknown, it is difficult to obtain a representative sample
b. Because sex work is illegal in most parts of the U.S., it remains hidden making behaviors of sex workers difficult to measure.
c. Sex work is defined differently from various perspectives.
d. All of these
d
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Cohabitation may be a prelude to marriage or an alternative to marriage
a. True b. False Indicate whether the statement is true or false
During the late 1800s and early 1900s, the primary purpose of diagnostic categories was
A. the diagnosis of prisoners. B. the collection of statistical and census data. C. compliance with health insurance and managed care company policies. D. to offer guidance toward particular forms of medication and psychotherapy.
The process of responding to some stimuli and not to other stimuli is called ______.
A. stimulus generalization B. a discriminative operant C. a discriminative stimulus D. discrimination learning
Children as young as age five are as proficient as college students at retaining frequency information.
a. true b. false