Adding a healthy side to a hamburger decreases its perceived calories total

Not a widely known research but a very interesting one from Alexandre Chernev1: The results in brief Subjects were asked to guess the number of calories in “not so healthy” meals, like hamburgers. Others were asked to guess the number of calories in the same meals but where a “healthy” side was added, like celery […]

Moral licensing (or self-licensing)

Moral licensing or self moral licensing is a cognitive tendency that leads people to behave unethically without feeling guilt for doing so, if they have done enough ethical action prior to this unethical behavior. A good overview of this effect is provided by¬†Merritt et al1 When under the threat that their next action might be […]

Conflict of interest disclosure leads to more biased advice

In a study by George Loewenstein et al1, they found that when advisors were providing disclosure of conflict of interest, they allowed themselves to give more biased advice to the advisees. Here are the mechanisms at work to explain this behavior, from their paper: Two mechanisms involved are strategic exaggeration (the tendency to provide more […]