HIGHLIGHTS
SUMMARY
The multiple-choice test item is objective in the sense that the correct response is unambiguously defined; but since the correct answer is "hidden in plain view", the construction of this item is more complicated than that of the so-called "open question" or constructed-response item, where the test-taker produces her response unaided rather than selects one among preconstructed ones. Since the extra complexity in item construction relative to the constructed-response item is independent of the number of test-takers, the ease of scoring and administering multiple-choice items leads to . . .
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