Belief is not the absence of doubt. We default to truth unless the evidence becomes overwhelming.

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We Default to Truth — Even When We Have Doubts

In the Stanley Milgram experiment, many participants suspected something was wrong. 

The setup was strange. The “learner” sounded theatrical. The situation felt bizarre.

Yet most participants continued.

Why? Because suspicion alone isn’t enough.

According to psychologist Timothy R. Levine and his Truth-Default Theory, we don’t believe people because we have zero doubts. We believe them because we don’t have enough doubts to cross a threshold.

Over 40% of Milgram’s participants sensed something odd — but only a tiny percentage were certain it was fake.

Lesson: Belief is not the absence of doubt. We default to truth unless the evidence becomes overwhelming.