Antecedents Behaviours Consequences in ABA Therapy 2021

Antecedents, Behaviours and Consequences in ABA Therapy
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One of the most important principles in ABA Therapy is the three-term contingency or antecedents, behaviours and consequences or the ABC's.
Whenever we change behaviour, we have to look at the function of the behaviour.
What is the Three-Term Contingency?
Three-Term Contingency:
Antecedents
Behaviours
Consequences
Antecedents
What happens before the behaviour.
In other words, it’s the trigger. In ABA terms we call the antecedent the Sd or Discriminative Stimulus.
Behaviours
This is what the person does.
Behaviours are the actions (or inactions) that the person takes after the antecedent. Behaviours must be observable and measurable.
Before we can track a behaviour we define it so that we ensure that everyone is on the same page. This is called an operational definition.
Here’s an example of an operational definition.
Consequences
Consequences are what happens after the behaviour that either reinforces or punishes it.
Reinforcement makes behaviour likely to happen again in the future. Alternatively, punishment makes the behaviour less likely to happen again.
The words we use, the things we do and even the looks we give someone after they’ve engaged in behaviour will impact whether they happen again in the future.
Positive and Negative Consequences
In ABA, when a consequence (a reinforcer or a punisher) is positive something is added to the environment. Alternatively, when a consequence is negative something is removed from the environment.
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[@madisonbartley7971]

One of the most important components of ABA! I also use the 3-term contingency to reflect on my own behaviour as well.

[@abatherapyinottawa1388]

Excellent video! Can’t wait until next weeks video!

[@ennelle2954]

I'd never heard it explained in such a clear and concise way. Thank you

[@alidelforoush9212]

Amazing content! Keep them coming!