When a patient could be offered one of multiple established treatments, doctors should be able to offer treatment only if the patient agrees to participate in research aimed at determining which of the treatments is most effective. Making treatment conditional on research participation will help researchers complete badly needed studies.

: When a patient could be offered one of multiple established treatments, doctors should be able to offer treatment only if the patient agrees to participate in research aimed at determining which of the treatments is most effective. Making treatment conditional on research participation will help researchers complete badly needed studies.

In this article I consider six definitions of deceiving (that is, other-deceiving, as opposed to self-deceiving) from Lily-Marlene Russow, Sissela Bok, OED/Webster's dictionary, Leonard Linsky, Roderick Chisholm and Thomas Feehan, and Gary Fuller, and reject them all, in favor of a modified version of a rejected definition (Fuller). I also defend this definition from a possible objection from Annette Barnes. According to this new definition, deceiving is necessarily intentional, requires that the deceived person acquires or continues to have a false (...) belief, and must involve the agency of the deceived person; furthermore, the deceiver must know or truly believe that the false belief that the deceived person acquires or continues to have is false. (shrink)

There is a well-known scene from The Adventures of Tom Sawyer that illustrates what might be considered benign manipulation: Tom has the job of whitewashing a fence but would rather spend the time with friends. By feigning enthusiasm for the job he manages to get his friends to hang around and do it for him. They even pay to do it - with various little items that he later trades for..