Keil and Batterman (1984) asked children whether particular items could be examples of particular concepts. For example, children were asked the following question: “One of your mommy’s brothers is so young he’s only two years old. Could that be an uncle?” Whether or not a child would be able to form a defining-features representation in this particular example would depend on the child’s ___.
a. language ability
b. knowledge about uncles
c. working memory capacity
d. strategy use
b. knowledge about uncles
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Which statement reflects the most current information regarding racial and ethnic differences in the timing of first sexual intercourse?
A. African Americans generally have sex for the first time earlier than do Puerto Ricans, who have sex earlier than do whites. B. There is no significant difference between racial and ethnic groups in the timing of their first sexual intercourse. C. Whites generally have sex for the first time at an earlier age than other racial or ethnic groups. D. Sex education has made a significant impact on when ethnic and racial groups will have sex for the first time.
Watson and Raynor's experiment is important because it demonstrated that
a. infants are unable to learn. b. humans cannot be classically conditioned. c. fear can be learned. d. operant conditioning is more important than classical conditioning
William has been working diligently on an engineering project, but he has gotten to the point that he sees no way to a viable solution. So, he sets aside the problem and works on another project. By setting aside the problem, William is allowing problem-solving to proceed at a subconscious level. This stage of creative thinking is known as
a. incubation. b. illumination. c. preparation. d. verification.
Studies in which the researcher actively participates in the situation in which the research participants are involved utilize _____ observation
a. nonparticipant b. participant c. disguised d. undisguised