18Pizza is a bigger motivator compared to cash and it can make people more productive at work when used as a stimulus, according to the book of psychologist Dan Ariely, “Payoff: The Hidden Logic That Shapes Our Motivations” wherein he detailed this research.

In Ariely’s study, wherein he examined four separate groups of employees at an Intel semiconductor factory, he found out that the promise of pizza increased productivity by 6.7 percent on the first day.

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