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The Reliability of Scores from the 1992 Vermont Portfolio Assessment Program
Interim Report
RAND, as part of the Center for Research on Evaluation, Standards, and Student Testing, has been evaluating the Vermont Assessment Program since 1990. This interim report presents RAND's basic findings about the reliability of scores from the first statewide implementation of portfolio program, in the 1991-92 school year. An earlier report from the RAND evaluation, The Vermont Assessment Program: Interim Report on Implementation and Impact, 1991-92 School Year (Koretz, Stecher, and Deibert, 1992), discussed the implementation and perceived impact of the program. This report reflects a second component of the evaluation, in which RAND is examining the quality of the information yielded by the portfolio assessment. In this component, we focus not on the program's impact as an educational intervention, but rather its quality as an assessment tool.
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