In my previous post in the Digital Accessibility Maturity Model (DAMM) Series I provided an introduction to DAMM and maturity models in general. In this post, I’ll share why a Capability Maturity Model (CMM) based Model was chosen for DAMM.
In addition to the accessibility-related components of DAMM, implementing CMM model process improvement adds values to other business areas. Proven benefits include:
- Fewer Defects
- Organizations at Level 1 of the SEI CMM have twice as many defects as organizations at Level 3 1
- Better on-time delivery
- Organizations at Level 1 of the SEI CMM deliver on time 40% of the time, as opposed to Level 3 organizations which deliver on time 80% of the time 1
- More likely to be on budget
- Organizations at Level 1 of the SEI CMM deliver on budget 41% of the time, as opposed to Level 3 organizations which deliver on time 73% of the time 2
- Increase in the Quantitative Software Management Productivity Index as the SEI CMM level increases 3
1 Williams, Karl. “The Value of Software Improvement,” Spire97, 4 June 1997
2 The SEI’s Process Maturity Profile Update, 2000, SEMA 3.0
3 Putnam, Lawrence H. “Linking the QSM Productivity Index with the SEI Maturity Level,” QSM Inc., 13 July 2000
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