Dosage, or the amount of intervention delivered, is an important factor in understanding implementation. This brief for researchers and practitioners aims to help establish a common language for communication of findings.

Using student-level microdata from 2000–2001 to 2004–2005 from Florida and North Carolina, we compare the effectiveness of teachers in schools serving primarily students from low-income families (70% free-and-reduced-price-lunch students) with teachers in schools serving more advantaged...

Describes the program, framework and design for the national evaluation, and data and methods to be used in the implementation and impact studies.

Summarizes initial findings from an ongoing five-year evaluation of Ready To Learn, a public broadcasting initiative to help enhance children's readiness for school. Notes that Ready To Learn's outreach to the community is diverse and conducted by experienced professionals. Also suggests that...