Concept
Reward Experiments
Reward experiments are a habit-change technique in which you deliberately swap the reward each time an urge arrives, then check fifteen minutes later whether the urge has gone, to discover which craving the habit actually satisfies.
Most of us think we know why we keep a habit: hunger, boredom, stress. That explanation is usually just the first plausible story, not the true one. In The Power of Habit, Charles Duhigg suggests treating it as a hypothesis and testing it. The cue stays the same. What you change is the reward. One day you take a short walk instead of a snack. Another day you call a friend. Another day you eat an apple. Right after each one, jot down three or four words about how you feel and set a fifteen-minute timer. If the urge is still there when the timer rings, that reward missed the target. If the urge has faded, you have found what the habit is feeding. Only then can you design a replacement routine that delivers the same payoff. That is the golden rule of habit change in practice.
A real-life example
Every afternoon around four, Maya walks to the vending machine for chocolate. She assumes she's hungry. On Monday she eats an apple instead, and fifteen minutes later she still wants chocolate. On Tuesday she has a coffee, with the same result. On Wednesday she walks to a colleague's desk and chats for five minutes, and the urge is gone. The habit was never about sugar. It was about a break with another person. Now she plans a short chat at four.
How to use it
- 1When the urge hits, pick a different reward from last time, such as a walk, another snack, a short conversation or a glass of water. Right after, note three words about how you feel.
- 2Set a fifteen-minute timer. When it rings, ask one question: do I still want the original thing? Yes means that reward missed. No means you've found a candidate.
- 3Repeat for a few days until one reward reliably ends the urge. Then build a new routine that delivers that reward at the same cue.