In a weight-loss study, 10% of the subjects getting the experimental drug dropped out before the finish and 58% of the subjects getting the placebo dropped out. It is speculated that subjects in a weight-loss experiment may prematurely drop out when they find themselves not losing weight. This is an example of:
(A) Nonadherence, but it does not bias the study results
(B) Dropout that does bias the study results
(C) Dropout, but it does not bias the study results
(D) Nonadherence that does bias the study results
Answer: (B) Dropout that does bias the study results
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