Map your immunity to change
Surface the hidden competing commitment that keeps sabotaging a change you genuinely want.
Key takeaways
- What it is: Surface the hidden competing commitment that keeps sabotaging a change you genuinely want.
- Why it works: Kegan and Lahey argue that stuck goals persist because a hidden competing commitment — protecting against a feared outcome — actively works against the stated one, anchored by a big assumption you treat as fact. Mapping this makes the self-protective system "object," so you can test the big assumption instead of being unconsciously run by it.
- Evidence: Plausible mechanism, limited direct outcome data.
- Avoid: Stopping at insight into the hidden commitment without testing the big assumption behind it. The change comes from running the small experiment, not from the diagnosis alone.
Why it works
Kegan and Lahey argue that stuck goals persist because a hidden competing commitment — protecting against a feared outcome — actively works against the stated one, anchored by a big assumption you treat as fact. Mapping this makes the self-protective system "object," so you can test the big assumption instead of being unconsciously run by it.
How to do it
- 1Name an improvement goal you keep failing despite wanting it.
- 2List what you do (and don’t do) that works against it — your competing behaviors.
- 3Infer the hidden commitment behind them, name the big assumption underneath, and design a small test of that assumption.
What the evidence says
MechanisticThe Immunity to Change method is Kegan and Lahey’s applied framework drawn from their developmental theory and refined through extensive practitioner use; it is well specified but supported mainly by case-based and theoretical evidence rather than controlled trials.
Honest caveat: Largely case-based; rigorous outcome trials are limited, so treat it as a structured reflective method, not a proven protocol.
- — Kegan & Lahey, Immunity to Change (2009)
Common mistake
Stopping at insight into the hidden commitment without testing the big assumption behind it. The change comes from running the small experiment, not from the diagnosis alone.
IX Coach walks you through building an immunity map for a stuck goal and helps you design and run the small tests that challenge the big assumption holding it in place.
Practice this with IX Coach →