A substantial number of randomized trials of educational interventions that have been conducted over the past two decades have produced null results, with either no impact or an unreliable estimate of impact on student achievement or other outcomes of interest. The investment of time and money spent implementing such trials warrants more useful…

The author responds to Pinnell et al's (1996) call for caution in using cost-benefit analysis in measuring educational reform success. It is argued that reform already is being sold to state legislators and educators in cost-benefit terms and that research has been inappropriately used in the selling process. (GR)

Responds to Hiebert's 1994 article in Educational Researcher in which she criticized Reading Recovery (RR) advocates for failing to base RR's success on an adequate cost-benefit analysis. The authors suggest reliance on the informal judgements of local administrators rather than using administratively difficult, large-scale, cost-benefit analyses…