Tangible
Getting something
The behavior may help get or regain an item, activity, food, location, or privilege.
Watch for: denied, delayed, removed, or unavailable items.
Common Ground · Parent Support
Common Ground · Parent Support
For families
Learn the four common functions of behavior, apply an ABC lens to one moment, and receive non-restrictive supports to discuss with your care team.
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Understand the four functions
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Look at one moment with ABC
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See matched supports and why
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The same behavior can happen for different reasons. These are four lenses to consider—not a diagnosis or confirmed function.
Getting something
The behavior may help get or regain an item, activity, food, location, or privilege.
Watch for: denied, delayed, removed, or unavailable items.
Getting out of something
The behavior may help delay, reduce, avoid, or end something difficult or unwanted.
Watch for: demands, transitions, waiting, endings, or discomfort.
Getting someone
The behavior may reliably produce talking, helping, comforting, correcting, or another response.
Watch for: another person was busy, unavailable, or elsewhere.
How it feels
The behavior itself may provide sensory input, stimulation, regulation, relief, or comfort.
Watch for: it also happens alone or without an obvious social outcome.
Think like a detective, not a judge. Ask what changed before and after instead of assigning motives to the child.
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Select what was most true. Do not include names or identifying details.
ABC organizes an observation. It does not prove why a behavior occurred.
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Complete A, B, and C to unlock this section.
Possible requires at least two details pointing in the same direction.
This activity helps caregivers notice useful details. A BCBA can assess the pattern, consider the full context, and individualize treatment.