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Activity Number: 31
Type: Contributed
Date/Time: Sunday, July 29, 2007 : 2:00 PM to 3:50 PM
Sponsor: Section on Statistical Education
Abstract - #309759
Title: Testing the Score Invariance of State Performance Tests Over Time
Author(s): Jiahe Qian*+
Companies: Educational Testing Service
Address: Rosedale Road 02T, Princeton, NJ, 08541,
Keywords: test score inflation ; proficiency standards ; assessment accountability ; mapping ; NAEP ; NCLB
Abstract:

In recent years, test score inflation has compromised efforts to improve education and the accountability of performance assessments. One assessment with potential for test score inflation is state performance tests. Under the No Child Left Behind Act (NCLB), all states are required to select the tests and set the proficiency standards in reading and mathematics for grades 3-8 as well as in at least one grade in high school. This study develops a statistical approach to examine score inflation in state tests. First, the state proficiency standards are mapped to the National Assessment of Educational Progress (NAEP) scale. Then, rather than testing inflation of scores, we test the invariance of the mapped proficiency standards of state tests over time. The mapping technique is based on the enhanced method developed by Braun and Qian (2006).

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Revised September, 2007