Book excerpt: "Contains brief summaries of 240 known completed social experiments. Each summary outlines the cost and time frame of the demonstration, the treatments tested, outcomes of interest, sample sizes and target population, research components, major findings, important methodological limitations and design issues encountered, and other relevant topics. In addition, very brief outlines of 21 experiments and one quasi experiment still in progress [as of April 2003] are also provided"--p. 3.