To evaluate possible "bias" in a single test item, what evidence do psychologists examine?
a. If people take the same test twice, how many of them change their answer on this item?
b. Is the item among the easiest for one group and among the hardest for another?
c. Do most people answer the question correctly or incorrectly?
d. What percentage of all people fail to answer the question at all?
b
Psychology
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