A randomized experiment of Comer's School Development Program was conducted in 23 middle schools in Prince George's County, Maryland. It showed that Comer schools implemented some of the program's central elements better than control schools, but not all or even most of them. This shortfall in...

Using 5th through 8th grade students, the Comer School Development Program was evaluated in 10 inner city Chicago schools over four years, contrasting them with 9 randomly selected no-treatment comparison schools. Comer schools implemented more program details than the controls but were not...

This paper notes the very low incidence of randomized experiments in research on school reform and claims that the few that have been done are the product of researchers in fields other than education. It seeks to probe why scholars teaching in schools of education do not do experiments. Eight...