Psychology 1000 Lecture 22: Lecture 22 (Nov 28)

• School: Western University
• Department: Psychology
• Course: Psychology 1000
• Professor: Mike Atkinson

Document Summary

Schedules of reinforcement: continuous reinforcement (cr, reinforce every correct response, fixed ratio (fr, reinforce every nth correct response, ex. Mean is 1 minute wait for reinforcing correct response: response rate is also slower, but is steady and maintains for long periods of time. Partial reinforcement effect: experience with extinction maintains responding because reinforcement is unpredictable, partial is better than continuous, vr or vi are most resistant to extinction. Cognitive approach: learning not mechanical stamping-in process. Involves formation of cognitions, the internal processing of information (thoughts, beliefs, etc. : kohler - insight, tolman - cognitive maps, traditional s-r approach cannot explain very well. Langer (1975: relation to depression, seligman & abramson (1988, pet therapy and plant therapy to get around clinical depression. Treatment of phobia - exposure (fear viewed as cr, so extinguish by repeated presentation: flooding - patient is continuously presented with fearful object, until it no longer produces a response.