ABC Data
ABC
In Plain Language
Notes about what happened before, what the person did, and what happened afterward.
ABA Definition
Descriptive records of antecedents, behavior, and consequences used to identify patterns and develop hypotheses about behavioral relations.
Everyday Example
You note that a loud blender started, someone covered their ears, and another person switched it off.
ABA Example
A staff member records the instruction, the learner’s exact response, and the adult’s response during an observation.
How It May Be Used
Supports assessment by organizing observations; descriptive patterns do not prove function.