An empirical analysis of software effort estimate alterations

Girish H. Subramanian, Steven Breslawski

Research output: Contribution to journalArticlepeer-review

25 Scopus citations

Abstract

This research studies the effect of descriptive estimate alterations on the accuracy of the resulting estimate. The two major reasons for estimate alterations studied here are the project manager's experience and time constraints. Estimate alterations done for these two reasons and their effect on accuracy is also examined. The confidence of the project manager in the estimation model and its effect on the accuracy of the resulting estimate is also studied. The extent of estimate alterations, estimate alterations made for these two reasons, and the project manager's confidence significantly affect the accuracy of the resulting final estimate. Finally, the reasons reported by managers to explain the percentage of relative error in software effort estimation are documented.

Original languageEnglish (US)
Pages (from-to)135-141
Number of pages7
JournalThe Journal of Systems and Software
Volume31
Issue number2
DOIs
StatePublished - Nov 1995

All Science Journal Classification (ASJC) codes

  • Software
  • Information Systems
  • Hardware and Architecture

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