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Augment your traditional expert estimation with parametric estimation to reduce surprises. ...
Augment your traditional expert estimation with parametric estimation to reduce surprises.
Application Development Managers have to defend maintenance budgets to executives.
Often the estimates are based on a single method – expert estimation – instead of also including parametric estimation in the process.
The result is a variance in estimated and actual budgets caused by varying degrees of scope interpretation by experts who are called upon to estimate.
Having a single expert estimation technique is not enough. You need to include an analytical parametric technique to quickly surface assumptions and have that discussion early rather than having to defend a budget shortfall.
Impact and Result
Produce a charter that will help you sell an optimized Application Maintenance Estimation process internally for the benefit of the business.