An experimenter conducts an experiment on the effects of a drug to control hallucinations
The experimenter
declares the results to be "statistically significant," which usually means that
a. even though appropriate statistics were used, no differences could be detected between the experimental and control groups.
b. the results have important implications for theory or practice.
c. differences of this size between the experimental and control groups would occur by chance only five times out of 100 (or less).
d. differences between the experimental and control groups were so large they could never occur by chance alone.
ANSWER: c
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Which of the following is an example of applied behavior analysis?
A) letting children with burn injuries play a virtual reality game while nurses change their bandages B) modeling quiet reading for children to teach them to sit quietly while they read C) talking with children about fears in an attempt to uncover the underlying cause of thumb sucking D) punishing a child by hitting him and then noticing that the child angrily hits a playmate in the same way
Which of the following statements about homosexuality is true?
A) Attraction to members of the same sex is not limited to teens who identify as lesbian, gay, or bisexual. B) Most homosexual adolescents are "gender-deviant" in dress and behavior. C) About 85 percent of adolescents who report having engaged in homosexual acts identify as homosexual. D) Researchers have yet to identify a link between heredity and homosexuality.