PSY 102 Lecture Notes - Lecture 11: Reinforcement
26 Apr 2016
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Document Summary
Positive reinforcement (sr+): when something pleasant is added to a situation, and this increases the probability of the response reoccurring. Negative reinforcement (sr-): when something unpleasant is removed from a situation, and this increases the probability of the response reoccurring. By taking the tylenol, you are ending something unpleasant = headache stops = do it again the future. By studying, you are ending anxiety, which increases the chances of studying again in the future b/c anxiety stops. Eating b/c you enjoy the cake is positive reinforcement, but eating b/c you"re hungry is negative reinforcement because you"re stopping something unpleasant. Positive punishment: this decreases the probability of the response reoccurring. When something unpleasant is added to the situation and. Examples: kid misbehaving, parents spanking kid, speed ticket for speeding, rat gets electric shock instead of food after pressing bar. Negative punishment: when something pleasant is removed from the situation and this decreases the probability of the response reoccurring.
