Podbit

The Marshmallow Test: Nobody Actually Waited 15 Minutes

From Modern Wisdom · May 25, 2026

Science
The Marshmallow Test: Nobody Actually Waited 15 Minutes

Mostly Wise: Matt McCusker, Andrew Huberman & Tom Segura - … · May 25, 2026 Science

In the original Stanford marshmallow test, no child waited the full 15 minutes — a fact that never gets mentioned. Yet how long kids waited before eating still predicted better life outcomes. The finding does hold up under replication, and self-control can be built — but the common telling strips out important nuance.