Psychology Lecture 21
Schedules of reinforcement, cognitive approach, behavior therapy
Is there more than association to learning?
How important is control to psychological health?
How can conditioning help us to treat psychological disorders?
o Can reinforcement be delayed?
But most effective if presented immedietly
Shape professor response
o Notion of operants
o Response reinforcement bond is critical, responses that get reinforced are more likely to
Schedules of reinforcement
o Continuous reinforcement
Reinforce every correct response
Fixed ratio (FR)
o Give certain amount
Variable ratio (VR)
o On average, reinforce, every nth correct response
Fixed interval (FI)
o Reinforce first correct response after a certain time has elapsed
o Eg. FI 1 minute
Reinforce first correct response after 1 minute
Variable Interval (VI)
o Reinforce first correct response after a certain time has elapsed, on the average
Partial Reinforcement Effect
Experience with extinction, maintains responding because reinforcement is unpredictable
Partial better than continuous
o VR or VI are most resistant to extinction Isn’t all the conditioning stuff just common sense?
o Learning is not mechanical stamping in process
o Involves formation of cognitions, th