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Chapter 5

Behaviour Modficiation - Chapter 5 Book Notes

4 Pages
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Department
Psychology
Course Code
PSYB45H3
Professor
Zachariah Campbell

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5
Extinction
Extinction: a process that weakens operant behaviour
A behaviour that had been reinforced for a period of time was no longer reinforcer
Thus, the behaviour stopped occurring
Once the reinforcement stops, individuals engage in the behaviour less and less, and ultimately
stop engage in the behaviour
As long as a behaviour is reinforced, at least intermittently, it will continue to occur
effective for decreasing problem behaviours in children and adults
Once the behaviour is no longer reinforced, it often increases briefly in frequency, duration, or intensity,
before it decreases and stops. This is called extinction burst
ExampleWhen Mark pushes the on button the remote control, it does not turn on the TV, he
pushes it longer (increased frequency) and harder (increased intensity) before he finally gives up
Novel behaviours (behaviours that do not typically occur in a particular situation) may occur for a
brief period when a behaviour is no longer reinforced
The novel behaviours during extinction bursts may include emotional responses, such as acting in
an angry fashion and cursing a coffee machine for not dispensing the coffee
Extinction bust is a natural reaction to the termination of reinforcement
The increased frequency, duration, or intensity of the unreinforced behaviour (or the novel
behaviour) that occur during extinction –may be reinforced. ExampleWhen Julia screams and
cries louder for attention, her parents may come into the room and give her the attention she was
not getting for crying
Spontaneous recovery: the behaviour may occur again even after it has not occurred for some time
Natural tendency for the behaviour to occur again in situations that are similar to those in which it
occurred before extinction
If there is not reinforcement when spontaneous recovery occurs, the behaviour will not continue
for long
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Description
5 Extinction Extinction: a process that weakens operant behaviour A behaviour that had been reinforced for a period of time was no longer reinforcer Thus, the behaviour stopped occurring Once the reinforcement stops, individuals engage in the behaviour less and less, and ultimately stop engage in the behaviour As long as a behaviour is reinforced, at least intermittently, it will continue to occur effective for decreasing problem behaviours in children and adults Once the behaviour is no longer reinforced, it often increases briefly in frequency, duration, or intensity, before it decreases and stops. This is called extinction burst Example When Mark pushes the on button the remote control, it does not turn on the TV, he pushes it longer (increased frequency) and harder (increased intensity) before he finally gives up Novel behaviours (behaviours that do not typically occur in a particular situation) may occur for a brief period when a behaviour is no longer reinforced The novel behaviours during extinction bursts may include emotional responses, such as acting in an angry fashion and cursing a coffee machine for not dispensing the coffee Extinction bust is a natural reaction to the termination of reinforcement The increased frequency, duration, or intensity of the unreinforced behaviour (or the novel behaviour) that occur during extinction may be reinforced. Example When Julia screams and cries louder for attention, her parents may come into the room and give her the attention she was not getting for crying Spontaneous recovery: the behaviour may occur again even after it has not occurred for some time Natural tendency for the behaviour to occur again in situations that are similar to those in which it occurred before extinction If there is not reinforcement when spontaneous recovery occurs, the behaviour will not continue for long www.notesolution.com
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