作者：WEI, LJ
摘要：In comparing 2 treatments, suppose that eligible [human] subjects come to the experiment sequentially and must be treated immediately. It was assumed that the experimenter selects 2n subjects and treats n subjects with each treatment. If, during the experiment, the experimenter knows or guesses which treatment is to be administered next, one may bias the experiment by subject selection. The problem is how to control this bias through choice of design. A design criterion is derived. Under this ...
