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Constructive Cost Model : FOLDOC | Constructive Cost Model (COCOMO) A method for evaluating the cost of a software package proposed by Dr Barry Boehm. There are a number of different types: The Basic COCOMO Model estimates the effort required to develop software in three modes of development (Organic Mode, Semidetached Mode, or Embedded Mode) using only DSIs as an input. The Basic model is good for quick, early, and rough order of magnitude estimates. The Intermediate COCOMO Model an extension of the Basic COCOMO model. The Intermediate model uses an Effort Adjustment Factor (EAF) and slightly different coefficients for the effort equation than the Basic model. It produces better results than the Basic model because the user supplies settings for cost drivers that determine the effort and duration of the software projects. The Intermediate model also allows the system to be divided and estimated in components. DSI values and cost drivers can be chosen for individual components instead of
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