Science
Has Tipping Gone Too Far? & Why You Don’t Do What You Want
aired Apr 16, 2026 · 53.0m
Tipping norms vary globally and are influenced by cultural traits like extroversion and tolerance for uncertainty, with the U.S. having the most expansive tipping practices. Research shows people tip more when they perceive human connection, such as hearing a server's name or seeing their photo. The act of tipping has historical roots in mitigating social envy and persists despite controversy due to worker reliance and evolving service expectations.
You’ll understand the hidden psychology behind everyday behaviors—from tipping to self-imposed limitations—and learn how small actions can break ingrained personal barriers.