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Chapter 7

PSYC 3610H Chapter 7: Chapter 7


Department
Psychology
Course Code
PSYC 3610H
Professor
Shawn Carter
Chapter
7

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Ch. 7 Shaping
Shaping
Dev. of a new beh. by successively reinforcing closer
approximations of beh. and extinguishing preceding
approximations of beh.
5 Aspects of Beh. that Can’t Be Shaped
Topography (specific movements involved)
Frequency (# of instances that occur in a period)
Duration (length of time a response lasts)
Latency (time btwn occurrence of stimulus and response)
Intensity (force of a response, physical effect the response has
on the environment)
Shaping Examples
Language
o when kids are young we reinforce “kuh” for cookies, but
as they age we only accept closer approximations to
desired “cookie”
Animal beh., social skills
Factors Influencing the Effectiveness of Shaping
Specifying the final desired beh. (terminal beh.-final desired
beh.) (specify precise beh. & conditions which must occur)
Choosing a starting beh. (beh. that occurs often enough to
reinforce within session time)
Choosing the shaping steps (outline approximations that will
be reinforced)
Moving along at the correct pace (reinforce several times
before moving forward, avoid too many reinforcement at 1 step)
Pitfalls of Shaping
Shaping can be accidentally applied with unfortunate results
(harmful beh. may be accidentally shaped)
Children may not get necessary shaping to dev. basic behaviors
(developing speech)
find more resources at oneclass.com
find more resources at oneclass.com
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