In this commentary, we examine Braverman's insights into the trade-offs between feasibility and rigor in evaluation measures and reject his assessment of the trade-off as a zero-sum game. We, argue that feasibility and policy salience are, like reliability and validity, intrinsic to the definition of a good measure. To reduce the tension between…

Effective teaching has long been an issue of national concern, but in recent years focus on the effectiveness of programs to produce high-quality teachers has sharpened. Long-standing achievement gaps persist despite large-scale legislative changes at the federal and state levels, and American students continue to show poorer performance on…