By Bernard H. Boar
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Additional resources for Application prototyping: a project management perspective
Endless demonstrations. The reviewers take the prototype for a "test drive" and never bring it back. They become s o interested in playing with the model that they lose sight of the real goal. Demonstrations go on indefinitely without resulting in a new change list. How should a project manager deal with a prototype churning out of control? Or more appropriately, how is churning prevented in the first place? 36-AMA Management Briefing Response: The project manager must pay careful attention to the way demonstration time periods are scheduled and provide strong leadership in resolving disagreements.
New structured development life cycle. When the prototype can be leveraged into the real system, a new life cycle is possible. CURRENT NEW Feasibility Completion Maintenance 7. ISSUE: THRASHING PROTOTYPES Discussion: It would appear that prototypers could easily begin to thrash. Thrashing could occur in two ways. Endless iterations: The reviewers in this scenario are not able to reach consensus decisions on functionality. Each review brings numerous major changes. Often these changes revert back to previous versions.
The initial build and subsequent enhancement steps are, by design, relatively short periods. This preventsmajor directional errors from going undetected. 2. ISSUE:PROJECT ESTIMATION STRATEGY Discussion: Estimating the time and cost of any software project is a challenging task. " Prototyping seems to complicate an already difficult responsibility. How does a project manager propose a firm project life cycle budget when there will be "n"iterations? Response: For prototyping projects, a dual estimate approach to costing the application is recommended.
Application prototyping: a project management perspective by Bernard H. Boar