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Reflexivity

2 min read

Reflexivity

Type: Systems & Dynamics
Local HTML: reflexivity.html

Definition

Observation changes the observed. Beliefs shape reality, which shapes beliefs. Feedback loops between thinking and the world.

George Soros’s concept: Market participants’ biased views affect market outcomes, which in turn affect participants’ views. Not just reacting to reality — creating it.

Why It Matters

Markets: Predictions become self-fulfilling or self-defeating. “The market will crash” can cause a crash. Social systems: Beliefs about groups affect how they’re treated, which affects their behavior, confirming the belief. Science: Observer effect — measuring changes what’s measured. Politics: Polling affects voting. Media coverage affects events.

Two-Way Connection

Thinking → Action → Reality → Perception → Thinking
    ↑_________________________________________↓

Not: Reality → Perception → Action
But: Reality ⟷ Perception (mutual influence)

Examples

  • Bank runs: Fear of insolvency causes withdrawals, causing insolvency
  • Stock bubbles: Optimism drives prices, confirming optimism
  • Stereotypes: Beliefs affect treatment, affecting outcomes, confirming beliefs
  • Placebo effect: Belief causes physiological change

Implications

Prediction is harder: You’re predicting a system that reacts to predictions. Ethics matters: Your beliefs about people affect how they become. Humility required: You don’t stand outside the system observing; you’re part of it.

  • [[Self-Fulfilling Prophecy** — Belief makes itself true
  • [[Confirmation Bias** — Seeing what you expect
  • [[Observer Effect** — Measurement changes system

Audio

Podcast episode: Reflexivity

Part of the Cognitive Bias Reference

Graph View

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