PSYB45H3 Lecture Notes - Lecture 9: Classical Conditioning, Hand Washing, Reinforcement

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Published on 14 Apr 2013
School
UTSC
Department
Psychology
Course
PSYB45H3
Lecture 9: Establishing New Behaviours
What are ways to teach someone a new behaviour/overcome a behavioural deficit?
o Guide them
Shaping (rewarding steps, penny and sheldon)
o Use successive approximations (steps)
No longer reinforce previous steps
o Describe behavioural goal (at the end what you want them to do)
o Identify starting response (normal voice not high pitch, where you want to start)
o Develop a tentative and flexible plan for steps (stop reinforcing at lower step,
shape success) (need to be flexible)
Examples: Tidier Roommate
o Behavioural goal: roommate cleans up all of her dishes and her belonging
everyday
o Picking up any dish or belonging at any time
o Steps
Praise/reward at any sign of behavioural target
Praise/reward at any sign of behavioural target when done within one day
Praise/reward when all dishes are cleaned in one day
Praise/reward when all dishes/ belongs are cleaned in one day
Shaping problem behaviours
o Receiving reinforcement for a behavioural excess and continuing to utilize that
behavior
Example
o Stop eating dessert lose 5 lbs
o Replace lunch with raw vegetables lose 10lbs
o Restrict total calories to 1000/day lose 10 lbs
o Skip breakfast and lunch lose 5 lbs
o Restrict total calories to 500/day lose 10 lbs
o Purge dinner lose 5 lbs
Controlling stimuli
o Remember antecedents talked about it with respondent conditioning
Occurs before behaviour
Overt: punching wall, observable, phone ringing
Covert: internal, being hungry, feeling, thinking dirty
o Examples of behaviours- antecedents?
Eating lunch: feeling hungry (covert), see others eat, time to eat (overt)
Smiling: feeling happy (covert), seeing other smile (overt)
Singing: hearing a song (overt), thinking of song (covert)
Doing homework: saw that hmwk was due (overt), feel bored (covert)
o Timing
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Document Summary

What are ways to teach someone a new behaviour/overcome a behavioural deficit: guide them. Shaping (rewarding steps, penny and sheldon: use successive approximations (steps) No longer reinforce previous steps: describe behavioural goal (at the end what you want them to do, develop a tentative and flexible plan for steps (stop reinforcing at lower step, Identify starting response (normal voice not high pitch, where you want to start) shape success) (need to be flexible) Examples: tidier roommate: behavioural goal: roommate cleans up all of her dishes and her belonging everyday, picking up any dish or belonging at any time, steps. Praise/reward at any sign of behavioural target. Praise/reward at any sign of behavioural target when done within one day. Praise/reward when all dishes are cleaned in one day. Praise/reward when all dishes/ belongs are cleaned in one day. Shaping problem behaviours: receiving reinforcement for a behavioural excess and continuing to utilize that behavior.

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