The field of behavioural psychology investigates the ways in which reinforcement schedules shape actions across both human and non-human subjects. By systematically varying the contingencies of ...

Operant conditioning is B.F. Skinner’s name for instrumental learning: learning by consequences. Not a new idea, of course. Humanity has always known how to teach children and animals by means of ...

Pigeons were trained on a multiple variable-interval variable-interval schedule which was then changed to either multiple variable interval signaled variable interval or multiple variable-interval ...

Have you ever watched a white rat choose between an 8 and 32 percent sucrose solution by pressing two different bars on variable-interval schedules of reinforcement? No? Lucky you. I devoted two years ...