a m e t h o d o f s c o r i n g a n d e v a l u a t i n g（a m e t h o d o f s c o r i n g a n d e v a l u a t i n g）.doc

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a m e t h o d o f s c o r i n g a n d e v a l u a t i n g（a m e t h o d o f s c o r i n g a n d e v a l u a t i n g）.doc

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SCORING AND EVALUATING SOFTWARE METHODS, PRACTICES, AND RESULTS Version 3.1 May 7, 2010 Abstract Software engineering and software project management are complex activities. Both software development and software management have dozens of methodologies and scores of tools available that are beneficial. In addition, there are quite a few methods and practices that have been shown to be harmful, based on depositions and court documents in litigation for software project failures. In order to evaluate the effectiveness or harm of these numerous and disparate factors, a simple scoring method has been developed. The scoring method runs from +10 for maximum benefits to -10 for maximum harm. The scoring method is based on quality and productivity improvements or losses compared to a mid-point. The mid point is traditional waterfall development carried out by projects at about level 1 on the Software Engineering Institute capability maturity model (CMMI) using low-level programming languages. Methods and practices that improve on this mid point are assigned positive scores, while methods and practices that show declines are assigned negative scores. The data for the scoring comes from observations among about 150 Fortune 500 companies, some 50 smaller companies, and 30 government organizations. Negative scores also include data from 15 lawsuits. The scoring method does not have high precision and the placement is somewhat subjective. However, the scoring method does have the advantage of showing the range of impact of a great many variable factors. This article is based on the author’s book Software Engineering Best Practices published by McGraw Hill at the end of 2009. Capers Jones President, Capers Jones Associates LLC CJonesiii@ COPYRIGHT ? 2008 BY CAPERS JONES ASSOCIATES LLC. ALL RIGHTS RESERVED INTRODUCTION: EVALUATING SOFTWARE METHODS, PRACTICES, AND RESULTS Software development and software project management have dozens of method