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• Determining the Impact of Informed Choice: Separating Treatment Effects From the Effects of Choice and Selection in Randomized Trials 

  McCaffery, Kirsten J; Turner, Robin; Macaskill, Petra; Walter, Stephen D; Chan, Siew Foong; Irwig, Les (2011-03)

  The Rucker 2-stage randomized trial (RCT) design and method allows treatment, preference, and selection effects to be estimated separately in clinical trials.