The ______ statistics summarize a distribution, while the ______ statistics provide a test of the hypothesis.
a. central; variability
b. variability; central
c. inferential; descriptive
d. descriptive; inferential
Ans: D
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Achievement tests
a. evaluate the product of a course of training. b. evaluate the potential to learn general information. c. do not rely heavily on content validity. d. are not affected by educational background.
Wasting is the worst disease directly caused by malnutrition
Indicate whether this statement is true or false.
In presidential election campaigns, many television ads focus on the "negatives" of an opponent. Campaign managers are obviously aware that when people are forming impressions,
A. they tend to give others the benefit of the doubt. B. self-serving biases are often influential. C. negative information tends to be more important than positive information. D. they tend to believe what they see and hear on television over what they read in newspapers and hear on the radio.
Why are incest taboos common in so many cultures?
(a) brothers and sisters rarely like each other enough to marry one another (b) primarily economic reasons, such as dowry exchange in primitive cultures (c) incest is fitness reducing (d) because brothers and sisters are positively imprinted on one another