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Analyzing social experiments as implemented : a reexamination of the evidence from the HighScope Perry Preschool Program
Heckman, James J.; Moon, Seong Hyeok; Pinto, Rodrigo; … - 2010
the influential HighScope Perry Preschool Program. The Perry program was a social experiment that provided preschool … representativeness of the Perry study. -- early childhood intervention ; compromised randomization ; social experiment ; multiple …
Persistent link: https://www.econbiz.de/10008779931
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Accounting for dropouts in evaluations of social programs
Heckman, James J. - In: The review of economics and statistics 80 (1998) 1, pp. 1-14
Persistent link: https://www.econbiz.de/10001235795
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The Perry preschoolers at late midlife : a study in design-specific inference
Heckman, James J.; Karapakula, Ganesh - 2019
-American children in the 1960s. We discuss the design of the experiment, compromises in and adjustments to the randomization protocol …
Persistent link: https://www.econbiz.de/10012019246