We report on the differences in mathematics learning environments in classes taught by certified Elementary Math Specialists (EMSs) (n = 28) and their peers (n = 33) as determined by observations of instruction. We used path analysis to examine how variables such as mathematical knowledge for teaching, beliefs, and background characteristics were…

This report provides a description of a cognitive interview study investigating validity of assessments designed to measure "content knowledge for teaching" (CKT). The report is intended both to provide information on the validity of the CKT measures and to provide guidance to researchers interested in replicating the design. The study…