# FRHD 3150 Chapter Notes - Chapter 7: Linear Motor, Rein

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Published on 12 Apr 2013
School
University of Guelph
Department
Family Relations and Human Development
Course
FRHD 3150
Chapter 7
DIFFERENTIAL REINFORCEMENT OF LOW RATES
Differential reinforcement of low (DRL) rates: is a schedule of reinforcement in which a
rein- forcer is presented only if a particular response occurs at a low rate.
1. Limited-responding DRL, specifies a maximum allowable number of responses
during a certain time interval in order for a reinforcer to occur.
is useful in two conditions some of the behavior is tolerable but less of it is better.
2. Spaced-responding DRL, requires that a specified behavior not occur during a
specified interval, and after the interval has passed, an instance of that behavior must
then occur in order for a reinforcer to occur.
is useful when the behavior wanted to reduce is actually desirable provided that
it does not occur at too high a rate.
DIFFERENTIAL REINFORCEMENT OF ZERO RESPONDING
Differential reinforcement of zero responding (DRO): A schedule in which a reinforcer
is presented only if a specified response does not occur during a specified period of time.
DRO is sometimes referred to as differential reinforcement of other responding.
If an undesirable behavior occurs often and for long intervals, beginning with a DRO of
short duration would be wise.
The size of DRO should continue to be increased until the behavior is occurring rarely
or not at all and a minimum amount of reinforcement is being given for nonoccurrence.
DIFFERENTIAL REINFORCEMENT OF INCOMPATIBLE AND ALTERNATIVE BEHAVIOR
Differential reinforcement of incompatible (DRI) behaviour: If we decide to decrease a
target response by withholding reinforcers for it (if we know their source and block them)
and by reinforcing an incompatible response
Differential reinforcement of alternative (DRA) behaviour: which is a procedure that
involves the extinction of a problem behavior combined with reinforcing a behavior that is
topographically dissimilar to but not necessarily incompatible with the problem behavior
Pitfall Type 1
Pitfalls of DRO and DRI are similar to the pitfalls for reinforcement and extinction
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## Document Summary

Is useful when the behavior wanted to reduce is actually desirable provided that it does not occur at too high a rate. Differential reinforcement of zero responding (dro): a schedule in which a reinforcer is presented only if a specified response does not occur during a specified period of time. Dro is sometimes referred to as differential reinforcement of other responding. If an undesirable behavior occurs often and for long intervals, beginning with a dro of short duration would be wise. The size of dro should continue to be increased until the behavior is occurring rarely or not at all and a minimum amount of reinforcement is being given for nonoccurrence. Differential reinforcement of incompatible (dri) behaviour: if we decide to decrease a target response by withholding reinforcers for it (if we know their source and block them) and by reinforcing an incompatible response.

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