To study adolescents' attitudes toward contraceptive use, a researcher recruits subjects from a waiting room of a community clinic that offers free contraceptive services to all. This researcher has a sample that is ____
a. not representative of all adolescents
b. similar to the general population of adolescents
c. representative of adolescents in America, but not other developed nations
d. representative of female adolescents and not males
A. Recruiting at a community clinic limits one's subject pool and is biased.
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Which of the following descriptions best defines effortful control?
tendency to assert control over others who are inferior to oneself ability to regulate one's emotions and actions through effort, not simply through natural inclination forceful dominance over one's self-perception increased aggression as seen in individuals with low self-esteem
Proactive interference refers to situations in which
a. early childhood memories are extremely difficult to remember. b. the retrieval cues that exist facilitate memory. c. previously acquired information makes it more difficult to acquire new information. d. newly acquired information makes it more difficult to remember older information.