Early studies on how posting calorie information affects consumer behavior have proved mixed.

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Other studies of the impact of media violence on youth show that behavior that appears realistic is more likely to be imitated than fictionalized behavior.

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The Brigham Young University assistant professor has authored dozens of studies that examine the impact aggressive behavior in the media has on its viewers.

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And long-term brain studies have demonstrated that the structure of the brain can change based on behavior and environment.

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Rather, Mr. Holmes's studies focused on how the brain works chemically and psychologically, and the effect that has on human behavior.

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Where the studies you rely on and the ones I trust seem to differ is in a basic assuption regarding human economic behavior.

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