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Operant Conditioning Preamble: Skinner believed that we both predict & control behaviour. Thus by manipulating the environment, you can manipulate behaviour.

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Presentation on theme: "Operant Conditioning Preamble: Skinner believed that we both predict & control behaviour. Thus by manipulating the environment, you can manipulate behaviour."— Presentation transcript:

1 Operant Conditioning Preamble: Skinner believed that we both predict & control behaviour. Thus by manipulating the environment, you can manipulate behaviour Defined as: A learning process in which the consequences which follow a response determine whether the behaviour will be repeated Behaviour will likely be repeated which has reinforced And tend not to be repeated with punishment

2 Skinners experiments with rats
The Skinner Box

3 Skinner Box – Postive Reinforcement
Initially behaviour was random, but can inadvertently tripped lever and was rewarded with a food pellet The rat didn’t take long to learn that the lever represented a means of obtaining the reinforcer The consequence of receiving food (a desirable stimulus) for lever pressing ensured that it would repeat the action Skinner was initially using a continuous reinforcement schedule .

4 Skinner Box: Negative Reinforcement
Rat was subjected to unpleasant electric current Accidental lever pressing – switched off electric current The consequence of escaping the electric current (an aversive stimulus) ensured that it would repeat the action (of lever pressing) Subsequently: A light would be switched on, just prior to electric current Thus lever pressing after the light was negatively reinforced

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