Principles of information systems for management (2nd ed.)
Principles of information systems for management (2nd ed.)
Building Effective Decision Support Systems
Building Effective Decision Support Systems
Information and Management
Improving the quality of process reference models: A quality function deployment-based approach
Decision Support Systems
Using Resource Constraints to Control the Incremental Development of Large Scale MIS Projects
Information Resources Management Journal
Information Resources Management Journal
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The Information Systems Development Life Cycle (ISDLC) is usually treated as a rigid sequence of activities. This article asserts that differences in the nature of development projects should affect the planning of the ISDLC. Two classes of factors affecting the ISDLC are identified: factors relating to the environment and factors relating to the development effort (e.g. in-house development vs. canned software package). Each step along the ISDLC is decomposed into several dimensions relating to the activities that should be performed, the degree of control that should be exerted, to human resources, to other resources, and to the time factor. The relationship between the six dimensions and the two classes of factors are explained. Finally, a practical approach to ISDLC planning is suggested based on a structured procedure and a number of working forms. It assists in preliminary planning of the development process as well as in periodic reviews and revisions whenever the project reaches a certain milestone.