A concept · The Art of Questioning · Systems

Second-Order Thinking

Every solution creates the next problem; solve for that too.

The bonus worked: sales went up. Then the returns came in, because the team had sold to anyone who would sign. The new bypass cleared the traffic, for a year, until the cleared roads filled with people who had moved further out. The fix did exactly what it was meant to and the situation got worse. We judged the decision by the problem it solved. What was it that we did not ask?

What Second-Order Thinking means

Second-order thinking is the habit of following a decision past its first, intended effect and asking "and then what?" until we reach the consequences that the consequences produce. That is the definition. Owning it changes how a good idea sounds to us. We stop stopping at the first result, and start asking how the people it touches will adapt to it, because their adaptation, not our intention, is what the decision finally delivers. We stop mistaking a longer plan for a deeper one; a straight line drawn further does not show where it bends. Before, we would have offered the bounty for dead cobras and called it solved. After, we ask who might start breeding cobras, and choose the fix whose second act we can live with.

Not to be confused with

Second-order thinking is not first principles thinking. First principles strips a problem down to what must be true before building up. Second-order thinking takes a decision already made and asks what it causes next, and what that causes in turn.

Second-Order Thinking examples: where it shows up

  • At work: the target hits, and the behaviour it quietly rewarded becomes next year's problem.
  • With money: the cheap loan solves this month and sets up a worse one, and the people who offered it knew that.
  • In the news: a policy fixes what it aimed at, the people it touches adjust, and three years later a different minister inherits the adjustment.

Where it sits

Concept 4 of 5 in The Art of Questioning, a journey in the course The Examined Mind.

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