pacing and mixed trialing
TRANSCRIPT
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Mixed Trialing and Pacing
Amanda Dixon
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Mixed Trials
What is it?
Running more than one procedure at a time
Example: 5 trials of Class Member ID, then 5 trials of Fine Motor
Why?
Helps keep your child attending
Helps increase responding
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How To Mix It Up
Run more difficult tasks between easier tasks
Run more aversive procedures with preferred procedures
Child will receive more reinforcement for correct responses with easier tasks
Helps build behavioral momentum
Tendency for behavior to persist following a change in environmental conditions
Strategy you want to use to increase “motivation” to work because there are more opportunities for success
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What To Mix
Consider the materials used for each procedure
Combine a procedure with a lot materials with a procedure without materials
Example: ID objects with a vocal procedure
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What To MixRun a new procedure (or fun ELOs) with older procedures that have a low rate of responding
Novelty can keep your child attending
Examples: New pictures, new objects, new toys
Unpredictability can be reinforcing
Example:
Put 5 objects in a bag.
Have child unzip bag.
Then run a couple trials of 2&3 Comp. ID Obj.
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Mixed Trial Ideas
Use the same materials to run different learning opportunities
This can help your child discriminate between Sd
One object can have multiple characteristics and qualities
Example: Using a toy car you can ask
“What is this?”
“What color is this?”
“Is this a book?”
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Mixed Trial Ideas
Run a difficult procedure with an out of the booth procedure
Child will receive reinforcement (getting out of booth) after completing an aversive trial
Example:
Combine ID Size/Color/Shape with 2&3 Comp. Directions
Sd: “Big, red circle” then “Get a book and put it in your bag.”
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Pacing
How quickly you are moving with your child in the booth
Learning opportunities
Extra Learning opportunities
Delivering reinforcement
Duration of reinforcement
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Pacing Problems
Your child should never be sitting with nothing to do
Losing opportunities for learning
More time for problem behaviors
More difficult to get back on track
Breaks behavioral momentum
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Pacing Problems
When delivering the reinforcer
Too often
Breaks momentum
Missing out on learning opportunities
Reinforcer may become less desirable
Not enough
Procedure may become aversive
Responding may descrease
satiation
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Pacing Problems
Deliver the reinforcer immediately!
You don’t want to inadvertently reinforce other behaviors
Example: Child correctly identifies correct object then throws materials while you look for a reinforcer
Reinforcing problem behavior
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Keeping Up The Pace
Use a token economy
Increase the number learning opportunities before delivering a reinforcer
Helps move toward reinforcement similar to the natural environment
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Keeping Up The Pace
Keep procedures as fun as possible to maintain responding
Instead of BS ELOS, keep child attending by:
Starting out with easier trials
Frequent preference assessments
Be careful not to reinforce noncompliance by avoiding more difficult demands
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Keeping up the pace
Keep materials fun and appropriate
Example: Actual books and toys instead of just pictures
Hide extra learning opportunities in procedures
Example: Have the child pick a marker before tracing. Then ask, “What color?”
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Questions
Or
Comments??