This document provides guidance on designing effective key performance indicators (KPIs). It recommends involving both top managers and line-level managers in the design process. Good indicators should not repeat each other but together describe 90% of the business unit. Indicators also need to be easy to measure and understand. The number of indicators in each category should be kept low, ideally three or four, to avoid overloading the scorecard. More details on designing KPIs can be found at the listed website.