Like most characteristics of a population, WAIS-IV scores are distributed in a bell or normal curve. Which of the following is an accurate characteristic of those types of curves?
A. Scores are evenly distributed across the population.
B. Scores are clumped around the midpoint.
C. The curve resembles an "S."
D. Scores are more common at the ends of the distribution.
Answer: B
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What discipline is this?
Evolutionary-based research on altruism has demonstrated that
a. only humans show any example of helping behavior. b. altruism does not begin to emerge until puberty. c. we abandon immature forms of moral thinking as we develop. d. humans may have a genetic make-up that predisposes them to behave both antisocially and prosocially.
The major organ systems are formed, the circulatory and urinary systems are operating, and the fetus weighs about a half ounce. What stage of pregnancy are we talking about?
a. End of the first month b. End of the first trimester c. End of the second trimester d. Half way through the pregnancy
Which one of the following levels of measurement involves assigning numbers to represent categories of data only?
a. Nominal scale b. Ordinal scale c. Interval scale d. Ratio scale