Abstract
The effect of a treatment may vary from one person to the next. One person may benefit or suffer greatly from treatment, while another person may experience little or no effect. In other words, the effect of the treatment on the ith person in stratum s, namely r Tsi - r Csi , may not be constant, but may change with i and s.
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Rosenbaum, P.R. (2002). Models for Treatment Effects. In: Observational Studies. Springer Series in Statistics. Springer, New York, NY. https://doi.org/10.1007/978-1-4757-3692-2_5
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DOI: https://doi.org/10.1007/978-1-4757-3692-2_5
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