Behavior Chain Analysis

A tool for understanding what led to a problem behavior — and what to do about it next time.

A behavior chain analysis is a detective tool. When a problem behavior happens, you trace the entire chain of events — from the vulnerability factors that set the stage, through the prompting event, to every link in the chain, all the way to the consequences.

The Links in the Chain

  • 1. Vulnerability factors — What made you more susceptible? (poor sleep, hunger, illness, existing stress, skipped medication)
  • 2. Prompting event — What started the chain? What happened right before you noticed the shift?
  • 3. Links — The sequence of thoughts, emotions, body sensations, and actions that followed. Be specific and detailed.
  • 4. Problem behavior — The target behavior you're analyzing.
  • 5. Consequences — What happened after? Short-term relief? Long-term harm? Effects on relationships?

Where Skills Could Have Helped

The power of the chain analysis is finding the places where a different choice could have broken the chain:

  • Could PLEASE skills have reduced vulnerability factors?
  • Could STOP or Check the Facts have interrupted the chain early?
  • Could TIP have changed your body chemistry before the urge peaked?
  • Could Opposite Action have replaced the problem behavior?
The chain analysis isn't about blame. It's about understanding. Once you see the chain clearly, you can plan for next time — inserting skills at the exact points where the chain is weakest.

How to Do It

  • Write it out — don't just think through it. Writing forces specificity.
  • Be radically honest — the analysis only works if you include the real thoughts and feelings.
  • Identify at least 3 places where skills could have changed the outcome.
  • Make a specific plan: 'Next time I notice [link], I will use [skill].'
  • Share it with your therapist — they'll help you see links you might have missed.

Resources