Biology, 23.07.2019 09:00 kingje1477

Susan trained her rat to press a bar in a skinner box in order to get a food pellet. susan's rat pressed the bar a lot. however, later when susan ran out of food pellets, her rat eventually stopped pressing the bar. what had happened?

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Susan trained her rat to press a bar in a skinner box in order to get a food pellet. susan's rat pre...