Achen C.H. The Statistical Analysis of Quasi-Experiments

University of California Press, 1986. — 189 p.Experiments and Quasi-Experiments.
Quasi-Experiments with Nonrandom Assignment: Why Matching and Regression Fail.Estimating Treatment Effects in Quasi-Experiments: The Case of Nonrandomized Assignment.Quasi-Experiments with Censored Data: Why Regression and Weighting Fail.Estimating Treatment Effects in Quasi-Experiments: The Case of Censored Data.Theoretical Extensions and Data Analysis.