Problem Statement: Computerized adaptive testing (CAT) is a sophisticated and efficient way of delivering examinations. In CAT, items for each examinee are selected from an item bank based on the examinee's responses to the items. In this way, the difficulty level of the test is adjusted based on the examinee's ability level. Instead of…

The importance of student assessment, particularly for summative purposes, has increased greatly over the past thirty years. At the same time, emphasis on including all students in assessment programs has also increased. Assessment programs, whether they are large-scale, district-based, or teacher developed, have traditionally attempted to assess…

In Spring 2006,. the NAEP Validity Studies (NVS) Panel was asked by the National Center for Education Statistics (NCES) to undertake a validity study to examine the quality of the NAEP Mathematics Assessments at grades 4 and 8. Specifically, NCES asked the NVS Panel to address five questions: (1) Does the NAEP framework offer reasonable content…