variable interval schedule

Synonyms:
  • VI schedule
German: variabler Intervallplan
Japanese: 変動間隔スケジュール

Behaviourism. A method to reinforce operant behaviour. Reinforcement is contingent upon the first response after a varying, unpredictable period of time. For example, VI-10-min means reinforcement is available for the first response after an average of 10 minutes has passed.

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