The results of an evaluation of Vermont's statewide assessment initiative are presented, with information about the implementation of the program, its effects on educational practice, the analytic challenge presented by the portfolio scoring process, the reliability and validity of portfolio scores, and the tensions between assessment and…

This study explored fourth-grade teachers' understanding of mathematical problem solving, an aspect of the Vermont portfolio assessment program that has been largely ignored. Teachers' conceptions of problem solving, their knowledge of problem-solving strategies, their selection and evaluation of problem-solving tasks, and their instructional…