A quality assured metric is one that is systematically evaluated through comparison with a standard and the monitoring of processes and the associated feedback loop that confers error prevention. 
“Quality assured” is one of the 10 Characteristics of an Ideal Metric designated by the Marketing Accountability Standards Board.
MASB: Marketing Metric Accountability Protocol
- Accountable Marketing: Linking marketing actions to financial performance, 1st Edition; Eds. Stewart, David W. & Gugel, Craig; Routledge, 2016.
- Universal Marketing Dictionary Project, 2023.