In this podcast episode, a behavioral scientist shares insights from an experiment that analyzed 300 British TV ads to see how often they incorporate behavioral science principles. The findings showed that 70% of the ads used at least one principle, with humor being the most prevalent, followed closely by the halo effect, often seen in celebrity endorsements. While various principles were employed, none stood out as the most dominant. The analysis also pointed out both effective and ethically questionable uses of behavioral science in advertising. Interestingly, the most successful ads combined multiple principles in a clever way.