Map every link in the chain — thoughts, feelings, urges, actions

Walk from the prompting event to the problem behavior one step at a time, naming each link explicitly.

Why it works

Problem behaviors rarely follow directly from triggers — there is a sequence of intermediate steps, each of which made the next one more likely. Each link in the chain is a decision point where an alternative existed; by mapping them, BCA makes those alternatives visible. The longer and more granular the chain, the more intervention points are revealed. Chains described in three links ("I was triggered, I got upset, I acted") offer three intervention points; chains with twelve links offer twelve.

How to do it

1. Starting at the prompting event, ask: "What happened next — inside me or outside?" Keep asking until you reach the problem behavior.
2. Label each link by type: thought ("I thought they didn’t care"), emotion ("I felt hurt"), urge ("I wanted to leave"), action ("I said").
3. Be granular: if you jumped a step ("I got angry and then exploded"), slow down and fill in the steps in between.

Evidence

Granular behavioral analysis is a standard methodology in behavior therapy and applied behavior analysis; the link-by-link map is the operational version of a functional analysis, which has decades of support in behavior change literature. (clinical)

The granularity benefit (more links = more intervention points) is a logical consequence of the method, not something separately trialed.

Common mistake

Jumping from "I felt bad" to "I did the problem behavior" as a single link, skipping the intermediate thoughts, urges, and micro-decisions that are the most accessible intervention points.