Simple in concept, far-reaching in implementation, Curriculum-Based Measurement (CBM) was developed in the 1980s as an efficient way to assess the progress of struggling students, including those with disabilities. Today, there are few areas of special education policy and practice that have not been influenced by CBM progress monitoring. The impact of CBM is reflected in recent education reforms that emphasize improvements in assessment and data-based decision making. Gathering an international group of leading researchers and practitioners, A Measure of Success provides a...