Lecture21 - Operant Conditioning

Discriminative stimulus the hand signal whale can

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Discriminative stimulus – the hand signal – whale can tell what hand signals mean and  in reward they get a fish “this reward is now in play” Ways of Altering Behaviour Positive – adding, negative – subtracting Reinforcement – made stronger, strengthening S-R behaviour Positive reinforcement – rewarded for behaviour and makes you more likely to repeat  this behaviour in the future Smiling at a good looking woman, she smiles back Negative reinforcement – undesirable stimulus was taken away, behaviour is more likely  – in the future the umbrella will be brought more often
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Avoiding negative stimulus (rain/bad hair, etc) with umbrella Punishment – decreasing S-R by following it by an aversive stimulus If you use this on children, they will feel emotionally attacked and not  Cops use punishment as standard mode to weaken a behaviour (going too fast) Response cost – termination of an appetitive stimulus which decreases the frequency of  behaviour i.e. no sesame street, no cookie (usually for being good), but taken away for bad 
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