It was later published in a report in 1993 and as a book by the same authors in 1995. Though the model comes from the field of software development, it is also used as a model to aid in business processes generally, and has also been used extensively worldwide in government offices, commerce, and industry. ==History== ===Prior need for software processes=== In the 1980s, the use of computers grew more widespread, more flexible and less costly.
Individuals such as Edward Yourdon, Larry Constantine, Gerald Weinberg, Tom DeMarco, and David Parnas began to publish articles and books with research results in an attempt to professionalize the software-development processes. In the 1980s, several US military projects involving software subcontractors ran over-budget and were completed far later than planned, if at all.
The Capability Maturity Model (CMM) is a development model created in 1986 after a study of data collected from organizations that contracted with the U.S.
The model is based on the process maturity framework first described in IEEE Software and, later, in the 1989 book Managing the Software Process by Watts Humphrey.
It was later published in a report in 1993 and as a book by the same authors in 1995. Though the model comes from the field of software development, it is also used as a model to aid in business processes generally, and has also been used extensively worldwide in government offices, commerce, and industry. ==History== ===Prior need for software processes=== In the 1980s, the use of computers grew more widespread, more flexible and less costly.
It was later published in a report in 1993 and as a book by the same authors in 1995. Though the model comes from the field of software development, it is also used as a model to aid in business processes generally, and has also been used extensively worldwide in government offices, commerce, and industry. ==History== ===Prior need for software processes=== In the 1980s, the use of computers grew more widespread, more flexible and less costly.
The CMM was published as a book in 1995 by its primary authors, Mark C.
This would be done at the same time as maintaining the likelihood of achieving the established quantitative process-improvement objectives. Between 2008 and 2019, about 12% of appraisals given were at maturity levels 4 and 5. ===Critique=== The model was originally intended to evaluate the ability of government contractors to perform a software project.
This would be done at the same time as maintaining the likelihood of achieving the established quantitative process-improvement objectives. Between 2008 and 2019, about 12% of appraisals given were at maturity levels 4 and 5. ===Critique=== The model was originally intended to evaluate the ability of government contractors to perform a software project.
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