Antecedent-Behavior-Consequence (ABC) Chart
An antecedent behavior consequence chart for recording what happened before a behavior, what you saw, and what followed. Page 1 is the data table. Page 2 helps you look for patterns after a week of observations.
- Grade Level
- All Grades
- Pages
- 2
- Formats
- PDF, Google Docs, Word
- Paper Size
- US Letter and A4
- Checked By
- Milo, Classroom Teacher
- Last Updated
- October 2026
Antecedent-Behavior-Consequence (ABC) Chart Example
Three observations from one morning, written as they happened: what came before, the behavior, and what followed.
What's in the Antecedent-Behavior-Consequence (ABC) Chart
Observation Details
Fields at the top for the student, the observer, the setting and the dates.
ABC Data Table
Columns for date and time, antecedent, behavior, consequence and notes.
Looking for Patterns
A second page with a checklist and ruled boxes for review, once you have a week of data.
Editable Versions
Type into the Google Docs or Word file, or print the PDF. US Letter and A4.
How to Use the ABC Chart
Fill In the Top
Write the student's name, your name, the setting and the dates you will be observing.
Record What Came Before
In the Antecedent column, note what happened right before, such as a task, a change or a request.
Describe What You Saw
In Behavior, write what the student did in plain, observable words, without guessing at reasons.
Note What Followed
In Consequence, write what happened right after, including how adults and peers responded.
Review After a Week
Use page 2 to look across your rows, and share what you find with the people who support the student.
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