After the system is operational, post-implementation evaluation performed. How is this conducted and what is its significance?

CPA-Quantitative-Analysis-Section-4 BLOCK RELEASE

Post-implementation evaluation performance

These establish whether the objectives and targeted performance criteria have been met, and if not, why not, and what should be done about it. Comparisons are made between actual and predicted performance in terms of:
 Throughput speeds
 Use of computer storage
 Numbers and types of errors/queries
 Costs of processing

The post implementation reviews should be conducted some time after the system implementation to take consideration of initial teething problems.
Post-implementation evaluation feedback Includes various areas:
 Accuracy, completeness, and timeliness of output
 User satisfaction
 System reliability and maintainability
 Adequacy of system controls and security
 Hardware efficiency/platform performance
 Effectiveness of database implementation
 Performance of the IS team
 Completeness and quality of documentation
 Quality and effectiveness of training
 Accuracy of cost-benefit estimates and development schedules

A post-implementation evaluation is based on fact-finding methods similar to techniques used during the systems analysis phase

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