%% date:: [[2022-01-03]], [[2023-04-25]] parent:: %% # [[Lag indicator]] A lag indicator is a metric that can only be measured when the outcome of the activity can no longer be changed. A lag indicator is the end result or outcome. In contrast, a [[Lead indicator]] is a metric that measures progress, so improving it improves the outcome. For example: - Objective: Read more books - Lag indicator: Number of books read - Lead indicator: Time scheduled for reading every day