On the First Trial, the Rat Had to Press the Bar

question 123

Multiple Choice

On the first trial, the rat had to press the bar three times to get a pellet of food. On the second trial, seven bar presses were needed. Although it continued to vary from trial to trial, on the average the rat was reinforced for every five bar presses. The rat is on a _____ schedule of reinforcement.

• A)fixed-interval
• B)fixed-ratio
• C)variable-ratio
• D)variable-interval

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