The hypothesis-testing procedure used when there is more than one individual in a study’s sample and the population variance is known is the
A) Z test.
B) F test.
C) T test.
D) K test.
Answer: A
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The median age at first marriage in the United States has been for several decades
ANSWER:
One disadvantage of using the survey format is that
(a) the respondent's answers cannot be verified. (b) it does not allow for follow-up questions. (c) the interviewer has to make up questions on the spot. (d) the researcher may unintentionally influence the respondent.
Which of the following statements reveals a biased view of the disabled by "normal" people?
a) The person's disability is the totality of his or her self. b) People with disabilities are always less desirable than normal people. c) Criteria of competence should be biased in favor of normal people. d) All of the above statements are biased views of the disabled.
Acute marijuana has a number of side effects. Which of these is NOT one of those side effects?
A. lowered heart rate B. impaired coordination and balance C. impaired short-term memory D. addiction