ABC Data Collection Tool
Record what happened before, during and after an observation. Review saved entries and export a CSV for discussion with your team. Free, no account required. Use non-identifying practice text on a shared device.
The log uses this browser’s local storage. It is not an access-controlled clinical record. Other users or scripts with access to this browser and site may read it; clearing browser data can remove it. The page also loads site services. Do not enter names or identifying information. Downloaded files remain your responsibility.
This log is not monitored and cannot provide urgent help. If anyone is injured or in danger, call your local emergency number (911 in the US). Tell the person's doctor or care team about new or worsening self-injury.
Learn to take data you can trust
Data Collection Procedures covers why and how to measure behavior, ABC records and task analysis for new RBTs and others learning to take data. This recording provides no CEUs. It costs $39 once, with no access term stated in the product record. The same recording is included in the Level 3 ABA Training Library: ten sessions for $39 with one month of access. Compare the access and content before buying; you do not need both for this recording.
$39
Understanding ABC Data Collection
What Is the ABC Model?
ABC records describe an antecedent, an observed behavior and what followed. Include when and where the observation took place. Describe actions and words rather than assuming feelings or intent. An ABC log can contribute to a team’s assessment; its label counts do not establish why something happened.
Behavior function needs assessment
Teams may consider attention, escape or avoidance, access to items or activities, and automatic reinforcement when assessing behavior function. These categories are hypotheses to investigate, not conclusions this tool can make.
- Attention: The behavior results in social attention (even negative attention like scolding)
- Escape/Avoidance: The behavior results in removal of a demand, task, or unpleasant situation
- Access to Tangibles: The behavior results in gaining a preferred item or activity
- Sensory/Automatic: The behavior produces internal sensory stimulation independent of external consequences
Review observations with the qualified team rather than choosing an intervention from the most frequent label. Counts do not show cause, severity, rate per observation hour or what happens when the behavior is absent.
Tips for Accurate ABC Data Collection
- Record as soon as possible after the incident (memory fades quickly)
- Be specific and objective: describe what you saw and heard, not what you think the person was feeling
- Record the immediate antecedent; separately note any known earlier setting events that may matter
- Record the actual consequence, not what you planned to do
- Agree how much observation and which settings are needed with the team; this tool sets no clinical sample threshold
- Share non-identifying observations through your team’s agreed process; consider where any downloaded file is stored
Related Tools
Your next step, in plain language
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Source and scope
The IRIS Center’s descriptive-assessment guide explains observation narratives, time, setting and assessment context. Checked October 21, 2026. It does not validate this tool or supply a universal entry count.
General educational content: not medical, psychological, or behavioral advice.
Frequently Asked Questions
ABC means Antecedent, Behavior and Consequence: what happened before an observed behavior, the behavior itself and what followed. Record observable details, time and setting for discussion with your team.
Parents and caregivers can record observations using definitions and arrangements agreed with their team. Quick-select labels are starting points: add specific words, actions and context. Do not include names or identifying information in this tool.
The display starts at three saved entries and counts repeated labels. Three is a display threshold, not a clinical standard. No fixed number here proves a pattern or function; decide observation coverage with your qualified team.
The log is stored in this browser when local storage is available. It is not an access-controlled clinical record or a confidentiality guarantee. Browser users and site scripts may have access; clearing browser data can delete it. This page also loads site services. Use non-identifying text and handle exports carefully.