2209 Improvement of an Estimate Accuracy by Visualization of Work Items

Abstract

Preparing a work estimate on the software development is very difficult, and improving its accuracy is one of the important subject for project management. In this paper, we will introduce an approach made to improve estimate accuracy by the use of estimation worksheet. Using this worksheet, works, which easily becomes indefinite upon the estimation, have been clarified. We also have compared the difference of an estimated and the actual costs before and after applying this worksheet, and evaluated its validity.