Original alignment date: 2019
The core concepts and structure for measuring and understanding impact according to the five dimensions of impact
Developed in partnership with the Impact Management Project (IMP), the fundamentals document "IRIS+ and the Five Dimensions" explains rules for aligning metrics to the five dimensions - WHO, WHAT, HOW MUCH, CONTRIBUTION and RISK - and the application of IRIS+ Core Metrics Sets and IRIS Catalog of Metrics to understand performance for each dimension.