Question 1

Was the marshmallow test debunked?

Accepted Answer

Not entirely, but its central claim was overturned. A 2018 replication with over 900 children found that once family background was accounted for, the link between waiting and later success nearly vanished. The test largely reflected a child's wealth and environment, not fixed willpower.

Question 2

What did the marshmallow test actually measure?

Accepted Answer

Research suggests it measured trust and stability more than self-control. Children who believed adults would keep their promises, and who came from secure homes, waited longer. Waiting was often a rational bet on a reliable future rather than proof of strong willpower.

Question 3

Why did some kids eat the marshmallow immediately?

Accepted Answer

For a child whose experience taught that promises are often broken, eating the marshmallow at once is the smart choice. Waiting only pays if the second reward reliably arrives, so children in unstable or unreliable settings sensibly take the sure thing in front of them.

self-control

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What the Marshmallow Really Measured