We now report studies of the effects of these allelic variations on DAT expression and function. These studies provide some of the first evidence that human DAT sequence variations can display altered ...

Claims data, which form the foundation of risk adjustment in payment for health care services, may reflect efforts to capture more—or more severe—clinical conditions rather than true changes in health ...

We investigated what a cognitive framework for measuring classroom teaching could reveal about (a) the impact of a professional development (PD) program on teaching practices and (b) the relationship ...