Psychology / Unit 5 Psych 0565 short lesson, about 20 seconds
The Variable-Interval Schedule
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The idea
A variable-interval schedule reinforces the first response after an unpredictable amount of time has elapsed.
In practice
Checking a phone for messages is reinforced at unpredictable intervals, producing steady checking all day.
Where people slip
Variable-interval schedules produce slow, steady responding that is highly resistant to extinction.
Your place on the trail
Every lesson rests on earlier ones and opens later ones. Tap any to jump.
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