Identify what the narrative leaves out

After hearing or constructing a causal story, deliberately list the facts it doesn’t explain.

Why it works

Narrative construction is selective: the brain assembles facts that fit a causal chain and discards facts that don’t, not maliciously but automatically. The result is that the story feels complete even when it isn’t. Deliberately generating the omissions — asking "what else happened that the story doesn’t account for?" — breaks the completeness illusion and makes the gaps visible rather than invisible.

How to do it

1. After constructing or hearing a narrative explanation, ask: "What happened that this story doesn’t explain?"
2. List at least three facts or events that the narrative omits or explains away.
3. Ask: "Does the story still hold if these facts are weighted equally with the ones it features?"

Evidence

Consistent with hindsight bias research (Fischhoff, 1975) and with the sensemaking literature (Weick, 1995): narratives are constructed retrospectively and are systematically tidier than the actual evidence justifies. Taleb’s narrative fallacy formalizes this as a distinct bias. (mechanistic)

"Narrative fallacy" is Taleb’s term; the underlying mechanisms (hindsight bias, selective memory, causal attribution) are separately well-established.

Sources

• Fischhoff (1975), "Hindsight ≠ Foresight: The Effect of Outcome Knowledge on Judgment Under Uncertainty," Journal of Experimental Psychology: Human Perception and Performance

Common mistake

Listing only minor or irrelevant omissions — the check is most useful when you surface facts that genuinely challenge the causal structure of the story.