RICE helps compare product ideas

Reach asks how many users or events are affected.
Impact asks how much the option helps.
Confidence reduces the score when evidence is weak; effort divides the value by cost.

Prompt anatomy

ReachHow many people or events will this affect?

ImpactHow much will this improve the outcome?

ConfidenceHow sure are we about reach and impact?

EffortHow much work will it take?