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There is no such thing as a long feedback loop — find a correlated short signal

By Annie Duke · Author, Thinking in Bets and Quit; former WSOP poker champion · 2026-04-28 · podcast · Decision quality, explicit thinking, feedback loops

Tier B · TL;DR
There is no such thing as a long feedback loop — find a correlated short signal

Claim

"Long feedback loops" are usually a failure of measurement design, not an inherent property of the question. For any outcome, find an early signal that correlates with it and measure that on a short interval.

Mechanism

Decision velocity is bounded by feedback velocity. If the only signal arrives in 12 months, you get one update per cycle. But almost every long-horizon outcome has earlier proxies — engagement, retention curves, qualitative interview signals. Operationalising a leading indicator gives weekly or monthly checks on a quarterly or yearly bet, raising the rate of learning by an order of magnitude.

Conditions

Holds when:

Fails when:

Evidence

"Did this positioning resonate?" is a long loop. "Did we get 3+ qualified demos from this week's outreach?" is a short loop.

— Annie Duke on Lenny's Podcast, 2026-04-28

Signals

Counter-evidence

Some outcomes are genuinely lagging (retention at 24 months, brand perception, deep behavioural change) and any short-term proxy will mislead. Archie Abrams' Shopify holdout discipline is the pair to this — short signals can lift while long signals stay flat.

Cross-references

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