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What are commonly recommended item difficulty and discrimination indices for a norm-referenced test? Group of answer choices Difficulty indices between .16 and .84, discrimination indices

What are commonly recommended item difficulty and discrimination indices for a norm-referenced test? Group of answer choices Difficulty indices between .16 and .84, discrimination indices greater than .00 Difficulty indices between .16 and .84, discrimination indices greater than .30 Difficulty indices between .40 and .60, discrimination indices greater than .30 Difficulty indices between .40 and .60, discrimination indices greater than .00

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