Abstract:Logical Test Design (LTD) is a technique for developing test items that evaluate procedural learning. This research investigated the ability of LTD to predict student performance in reading Roman numerals. The study (a) compared item structural properties identified by LTD with item size and expert judgment, in their ability to predict item difficulty, and (b) investigated the consistency of students' performance on item pairs varying on their LTD structural similarity. Two hundred and eleven sixth-grade stude… Show more
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