Adoption studies were reviewed for evidence of the malleability of intelligence quotient (IQ). Although moderate estimates range between 20 and 25 points, it is argued that the standard adoption study provides little evidence about IQ malleability and that a major study of contrasted environments yields even more conservative estimates. (SLD)

The focus of most analysts involved in education reform seems to be whether charter schools are successful. This paper identifies 53 research-based studies that draw mainly objective conclusions based on evaluation of data. Literally, hundreds of policy papers, study articles, and analyses have been written on the charter-school phenomenon, an…