Bar graphs ______.
A. are used for continuous data
B. are not as helpful as frequency table
C. can show same information as pie charts
D. are not as common as pie charts
Answer: C
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In middle childhood, Fatimah begins to describe her friends in terms of their __________, such as friendliness and helpfulness.
A. observable behaviors B. psychological traits C. physical appearance D. self-esteem
Herman suffers a stroke that destroys the connections between the reticular formation and the rest of his brain. Herman will most likely
A. be in a permanent coma. B. have increased activity in the locus coeruleus. C. lose automatic control of his heart rate, breathing, and blood pressure. D. lose all reflexes.
Cross-sectional research by Schaie on the development of intellectual ability in adulthood was carefully controlled to account for cohort effects. This research found that
a) most people improve in basic mental ability during adulthood. b) the majority of people decline considerably in mental ability as they age. c) people are gradually becoming more intelligent in an increasingly complex society. d) individual abilities are primarily a function of genetic endowment; therefore, overall intelligence either increases or decreases as a unit.
Evidence suggests that during wakefulness a sleep-promoting chemical is produced and builds up in the blood until the person becomes tired and falls asleep.
a. true b. false