Northwest Evaluation Association™ (NWEA™) is committed to providing partners with useful tools to help make inferences from the Measures of Academic Progress® (MAP®) interim assessment scores. One important tool is the concordance table between MAP and state summative assessments. Concordance tables have been used for decades to relate scores on…

Background: In an ongoing effort to improve teacher quality, most states require continuing education or professional development for their in-service teachers. Studies evaluating the effectiveness of various professional development programs have assumed a normal distribution of quality of teachers participating in the programs. Because…

Based on the findings of a recent three-year study by Dominican University's Graduate School of Library and Information Studies, the authors can confirm what many librarians have long suspected: students who take part in their local library's summer reading program significantly improve their reading skills. This article describes the results of…