Improving the information value of performance items in large scale assessments [microform] / P. David Pearson, Diane R. Garavaglia ; commissioned by the NAEP Validity Studies (NVS) Panel
原資料の出版事項: [Palo Alto, CA ; Washington, DC] : American Institutes for Research in the Behavioral Sciences : U.S. Dept. of Education, Office of Educational Research and Improvement, Educational Resources Information Center, [1997]