Predictably Irrational: The Hidden Forces That Shape Our Decisions by Dan Ariely

Why do we overpay for “free” items? Dan Ariely’s Predictably Irrational is a 4-star deep dive into the quirky, systematic biases that drive our decisions. From the placebo effect to the hidden cost of “zero,” this book reveals that our mistakes aren’t random—they are predictable. A must-read for high schoolers and educators alike, it offers fascinating insights into economics and psychology that will forever change how you shop, study, and think.

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