If a Rat Is on a VI-20-Second Schedule for Bar-Pressing

question 44

Multiple Choice

If a rat is on a VI-20-second schedule for bar-pressing, the rat will be reinforced

• A)continuously for 20 seconds and then will receive no more reinforcement.
• B)for every 20 seconds of continual responding.
• C)for each bar press that occurs exactly 20 seconds after the last reinforced response.
• D)for the first bar press that occurs after a random time interval that averages 20 seconds in length.

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