| average software project | exceeds its budget by 90% and its schedule by 120% according to the Standish Group  |  |
| is a subtopic of 11.3 - Cost Estimation | |
| is canceled before completion 30% of the time according to the Standish Group | |
| is a kind of software project | |
| software project | does not have economy of scale as it gets larger due to the increasingly large amount of co-ordination involved | |
| is often completed behind schedule and over budget, or are not completed at all | |
| may be at risk from models that are incomplete, incorrect or not flexible enough | |
| often has problem failure to stick to cost and time because of the inherent complexity of software, the relative immaturity of software engineering and its technologies, lack of knowledge and experience on the part of software engineers, the inherent human tendency towards over-confidence, , and pressure to offer excessively low prices and short development times in order to obtain contracts or make sales | |
| should not be undertaken without a sound domain analysis | |
| usually involves modifying an existing system | |
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