Abstract
There is no dispute that the review is effective to improve the quality in the system development. Recently, a lot of enterprises are compiling statistics of the process performance data in the review, and they are practicing the quantitative project management (QPM) by using them. However, because the width of the process performance baseline is too large, some projects cannot use QPM still enough. Our company is improving the design process by analyzing the review result, and it has gotten good results to QPM. In this paper, we introduce importance and the effect instance according to the stratification of review result when the review result is analyzed.
