12Learning2 - 1 Psychology 1101 G Outline Learning 2*This...

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1 September 30, 2008 - Psychology 1101 G Outline – Learning 2 ****This lecture covers Gleitman Chapter 6 page 212 – end of chapter*** Operant chamber Tool for measuring how behavior is shaped by different types of rewards (or punishments) and different ways of presenting rewards (and punishments). Skinner’s experiments Subjects: animals (often rats or pigeons) Apparatus: conditioning chamber (skinner’s box) Procedure: shaping Shaping Guidance behavior toward some desired behavior through successive approximation. Guiding current behavior toward desired behavior with reinforcement Successive approximations Accomplish shaping in stages, like baby steps… Teaching a dog by treats. Reinforcer Any event that increases the likelihood that the preceding behavior will be repeated in the future. Reinforcers ALWAYS strengthen behavior. Positive reinforcer Introduce (+) stimulus (introduce something good that wasn’t there; eg. Food, give treats to dogs.) Negative reinforcer Remove (-) stimulus (take away something bad that was there; eg. Electric shock)
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Primary reinforcer Innately satisfying about them not learned. Biological significant reinforcers like food, water, escape from pane or harm
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12Learning2 - 1 Psychology 1101 G Outline Learning 2*This...

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