How do I practice cognitive rigidity?

The most direct way to practice cognitive rigidity is through a focused exercise: Conduct a schema rigidity audit. Identify three beliefs that guide significant decisions in your life — about your career strategy, your health approach, your relationship assumptions, or your understanding of a domain you depend on. For each belief, answer: (1) When did I first adopt this belief, and what evidence formed it? (2) Has the environment this belief operates in changed materially since I adopted it? (3) When did I last actively seek evidence that might challenge this belief? (4) If I were adopting a strategy for the first time today, with no prior commitment, would I choose this same belief? (5) What am I currently paying — in missed opportunities, suboptimal outcomes, or accumulated friction — for continuing to operate on this belief unchanged? If the answer to question 4 is "no" for any of your beliefs, you have identified a rigid schema with compounding costs. The question is not whether to update it. The question is how much more you are willing to pay before you do.

Common pitfall: Confusing conviction with rigidity. Not every long-held belief is a rigid schema. Some beliefs have been tested repeatedly, updated incrementally, and remain well-calibrated to current reality. The problem is not holding beliefs firmly. The problem is holding beliefs firmly while refusing to test them against changing conditions. The diagnostic question is not "How long have I held this belief?" but "When did I last subject this belief to evidence that could have changed it?" A belief held for twenty years and tested annually is not rigid. A belief held for two years and never tested is. Duration is not the measure. Responsiveness to evidence is.

This practice connects to Phase 16 (Schema Evolution) — building it as a repeatable habit compounds over time.