5. There are fewer procedures to write in the CMMI than in the CMM.

2. The process areas and practices for Levels 4 and 5 do not significantly raise the bar, as higher maturity organizations helped devise this model.

Reports from appraisals done by the Ministry of Defence in Australia have specifically reported that the CMMI has made achieving Levels 4 and 5 much more difficult. Whereas in the previous CMM for Software, the recommendation was to "keep it simple," now the implementation of these areas requires much more training and quantitative measurement techniques to be instituted in the organization. Responses heard at industry conferences have also mentioned that the CMMI focuses too heavily on sophisticated measurement techniques.