Oregon Extended Assessment-Vertical Scaling Project
Goal: Establish a computer-based vertically scaled English language arts (combined reading and writing) and mathematics test with three levels of difficulty – low, mid, and high – that students can take after completing 15 items for placement into these levels. This type of testing provides an adaptive form to ensure students do not take items for which they have a low probability of answering correctly or do not take items that are excessively easy (g., waste time and fatigue students)….
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