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…

"The Right Trajectory" brings to the forefront an often-overlooked voice in the debate about new state assessments developed in consortia: that of the best teachers in the country. This research suggests, despite challenges still to overcome, that these front-line experts believe that the new consortia tests are an improvement on the…