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Investigation Repeater Effects On Small-Sample Equating: Include Or Exclude?, Hongyu Diao

Doctoral Dissertations

In licensure testing programs, some examinees might attempt the test multiple times till they are satisfied with their final score, those who take the same test repeatedly are referred to as repeaters. Previous studies suggested that repeaters should be removed from the total sample before implementing equating procedures for two reasons: 1) repeater group is distinguishable from the non-repeater group and the total group, 2) repeaters may memorize anchor items and cause an item drift in common items in the non-equivalent anchor test (NEAT) design. However, removing repeaters might not be the best solution if the testing program only has …