That type of behavior should rate a WSJ editorial condemning it.

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Caroline Schnakers, who carried out the research with Laureys, told CNN that one probable reason for the high rate of misdiagnosis is that doctors often base their diagnosis on observations of a patient's behavior, rather than assessing patients using standardized tests.

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In another experiment, a group of college students were asked to rate how willing they were to engage in unethical behavior in various everyday scenarios -- such as taking a ream of printer paper from the office where they work, failing to correct a cashier's error in their favor, or accepting ill-gotten tips about an upcoming exam.

CNN: Are rich people more unethical?

The results showed that participants given the fake cigarette as treatment, and who were identified as being heavily dependent on the behavior of smoking, had a quit rate roughly 3.5 times higher than those in the standard-treatment group (67% vs. 19%).

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