Barnow, Burt S. - In: Zeitschrift für ArbeitsmarktForschung - Journal for … 43 (2010) 2, pp. 91-105
the treatment and control groups are due to the intervention and not some other factor; also, the results of social … cannot control for entry effects, scale and general equilibrium effects, and aspects of the intervention that were not … experiments include programs cheating on random assignment, and participants and/or staff not understanding the intervention rules …