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Variable interval reinforcement

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Variable interval reinforcement (VI) schedules deliver reinforcement for the first response after a random average length of time passes since the last reinforcement

    • Example: VI3" = reinforcement is provided for the first response after an average of 3 seconds since the last reinforcement.
    • Lab example: VI10" = a rat is reinforced for the first bar press after an average of 10 seconds passes since the last reinforcement
    • Real world example: a predator can expect to come across a prey on a variable interval schedule

Comparison with variable ratio reinforcementEdit


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