At which maturity level does quantitative process management become significant?

Quantitative process management becomes significant at the Quantitatively Managed maturity level. At this stage, organizations not only establish standard processes, but they also measure and control them using quantitative techniques. This allows for the systematic management of processes and the ability to make data-driven decisions. By employing statistical and quantitative methods, organizations can enhance performance, predict outcomes more accurately, and improve product quality.

This level emphasizes the importance of quantifiable metrics in managing processes effectively, ensuring that improvements are not based solely on subjective judgment but on empirical data. The capability to utilize these quantitative insights distinguishes the Quantitatively Managed level from the previous maturity levels, where processes are managed either qualitatively or by means of basic management techniques. Thus, achieving this level indicates a significant advancement in an organization's management of processes, fostering a culture of continuous improvement based on solid data.