By tailoring test forms to the test-taker's proficiency, Computerized Adaptive Testing (CAT) enables substantial increases in testing efficiency over fixed forms testing. When used for formative assessment, the alignment of task difficulty with proficiency increases the chance that teachers can derive useful feedback from assessment data. The…

Although summative assessment is indispensable for determining whether or not students meet the content standards, it alone is insufficient for providing teachers and administrators with the information necessary to make ongoing decisions about instruction. This article looks at the motivational impact of the assessment on students' achievement…