Rules as Reflection Triggers

Definition

Better rules produce better outcomes than worse rules — but a rule doesn't only work through the literal action it prescribes. Part of a rule's power comes from a side effect: following it forces periodic pauses to check progress, and those pauses sometimes trigger people to reassess and correct their overall approach, a benefit that can appear even when the rule's stated content turns out to be irrelevant to the task at hand. A rule that fails to prompt any such reassessment, meanwhile, can perform no better than having no rule at all — even if its content sounds obviously helpful.

In the Book

Chapter 7 grounds this in a lab study Kathleen Eisenhardt ran with Stanford graduate student Gerardo Okhuysen: five-person groups were given a fictitious food-poisoning mystery to solve using both shared and unique information distributed among members. Groups given the task-relevant rule "Listen to others" performed best, taking frequent breaks to reassess their direction. But groups given the seemingly irrelevant rule "Watch your time" — irrelevant because the groups had far more time than the task needed — finished second, ahead of groups given no rule at all, because the rule still prompted periodic time-checks that led some groups to pause and restrategize. Most strikingly, groups given the rule researchers expected to help — "Share your information" — tied for last place with the no-rule condition: the rule motivated people to talk more (comment length rose measurably) but not to listen or reconsider their approach, so it centered people on broadcasting their own information rather than integrating everyone else's.

Why It Matters

This complicates the intuitive assumption that a rule's value is entirely a function of how sound its advice is. A rule earns credit for triggering the behavior that actually produces good outcomes — pausing to reassess, checking whether the current approach is working — and a rule can do that even by accident, while a rule with impeccable logical content can fail if it doesn't provoke that behavior. Anyone designing a checklist, a habit cue, or a team norm should therefore ask not just "is this advice correct" but "does following this rule actually make people stop and reconsider," since the second question can matter more than the first.