Psychology / Unit 7 Psych 0771 short lesson, about 20 seconds
Trial and Error
Captions available
The idea
Trial and error solves a problem by attempting options in turn until one works.
In practice
Testing keys on a ring one at a time until the front door opens.
Where people slip
Trial and error is efficient when options are few and feedback is immediate, and hopeless otherwise.
Your place on the trail
Every lesson rests on earlier ones and opens later ones. Tap any to jump.
Builds on
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