The percentage of test takers who respond correctly to a test item is a measure of the item's ______.
A. difficulty
B. bias
C. ability to discriminate
D. item-total correlation
Ans: A
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If you want to memorize a long list of objects, what is the best strategy? a. Repeat the list over and over
b. Alternate between reading the list forward and reading it backward. c. Rate how useful each item would be in a survival situation. d. For each item, try to think of another word that rhymes with it.
If a study has high ecological validity, then the most likely conclusion is that
a. it had a large number of participants. b. it was conducted with animals, taking proper cautions about their safety. c. the results could be applied in real-world situations. d. the study was conducted by researchers with a behaviorist approach.
Joe has collected data on the number of hours ten-year-olds spend watching television each week. He tells you that the distribution of scores followed a truly normal curve. Which of the following is suggested by Joe's statement?
a. ?Fifty percent of the scores fall below the mean. b. ?The mean, median, and mode are all different. c. ?Sixty percent of the scores fall within one standard deviation above and below the mean. d. ?Ten percent of the scores fall two standard deviations above the mean.
Which individual is most associated with explaining how we understand language?
a. Noam Chomsky c. Benjamin Whorf b. Alan Cromer d. Carl Rogers