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Friday, January 13, 2012

Comparison Of Operant & Classical Conditioning


Learning is discovering what's possible.

Differences Between Operant and Classical Conditioning

1) In classical conditioning, the conditional behavior (CR) is triggered by the particular stimulus (CS) and is therefore called an elicited behavior. Operant behavior is an emitted behavior in the sense that it occurs in a situation containing many stimuli andseems to be initiated by the organism. In a sense the subject chooses when and how to respond.
2) In classical conditioning, behavior (CR) is affected by something that occurs before the behavior (the CS-UCS pairing). In contrast, the operant response is affected by what happens after the behavior – that is by its consequences.

Positive Reinforcement
Any stimulus or event that increases the likelihood of the occurrence of a behavior that it follows.
Shaping
Shaping is the method of successive approximations. Shaping reinforces the behaviors as they get closer and closer to the desired behavior.
Negative Reinforcement
Negative Reinforcement is anything that increases a behavior that results in the reinforcers removal.
Punishment
Any consequence that decreases the future occurrence of a behavior that produces it.

When You Remove a Positive Stimulus 
Extinction
If the stimulus is a reinforcer for the behavior (e.g., parent ignores child/withdraws attention when child acts up to get attention)
Response Cost
If the stimulus is not a reinforcer for the behavior (e.g., parent takes away child's TV privileges when child acts up to get attention)
Operant Conditioning Consequences

Presentation
Removal
_
+
Positive Stimuli
Positive Reinforcement
(ie: praise, A+, money)
Increases Behavior
Extinction or Response Cost
(ie: withdrawal of praise, A+, or money)
Decreases Behavior
Aversive Stimuli
Punishment
(ie: spanking or electric shock)
Decreases Behavior
Negative Reinforcement
(ie: smoking or removal of shock)
Increases Behavior

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