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This study was conducted to determine the degree which subject matter experts could predict the difficulty discrimination of items on the Test of Standard English. It was concluded that despite an training period the raters did not approach a level of accuracy, nor were they able to pinpoint factors that contribute to item difficulty and discrimination. research should attempt to uncover factors by examining the items from a linguistic psycholinguistic perspective. It is argued by coupling linguistic features of the items with matter ratings it may be possible to attain more predictions of item difficulty and discrimination.
Isaac I. Bejar (Wed,) studied this question.