Operating Principle
2–4 min read
Culture fit sounds like values alignment, but in practice it often screens for familiar backgrounds, communication styles, and habits of thought. Homophily makes this feel like sound judgment while quietly reducing the cognitive diversity associated with better problem-solving on complex work.
Operating Question
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Why It Matters
Homophily makes culture fit a proxy for people like us; culture add asks what a candidate brings instead.
Supporting Evidence
Scott Page, “The Difference”; McPherson, Smith-Lovin, and Cook on homophily.
Research Notes
Treat this as an operating heuristic and weigh the relevant context and limitations.
Practical Actions
Ask what a candidate adds; separate values from style questions; track similarity across new hires.