A researcher wishing to determine the consistency of scores on a test decided to use split-half reliability. To do so the researcher put items 1-50 in one group and items 51-100 in the second group. This is the recommended way to divide the items for this type of reliability measure.

Question

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Split-half reliability typically involves dividing the test into two equal halves randomly or by alternating items, not by simply splitting the test into the first and second halves, to ensure both halves are equivalent in content and difficulty.

A Researcher Wishing to Determine the Consistency of Scores on a Test