Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/9904
Title: COSMIC light vs COSMIC classic manual: Case studies in functional size measurement
Authors: Hacaloğlu, Tuna
Ünlü, Hüseyin
Demirörs, Onur
Abran, Alain
Keywords: COSMIC
Function points
ISO 19761
Size
Software measurement
Issue Date: 2020
Publisher: CEUR Workshop Proceedings
Abstract: Functional size has been used in software engineering for more than 40 years. When measured early in the software development life cycle, it can serve as direct input for effort estimation. The COSMIC Functional Size Measurement (FSM) method developed by the Common Software Measurement Consortium (COSMIC) is the latest ISO-compliant functional sizing method. A streamlined manual titled ''Software Development Velocity with COSMIC Function Points'' summarizes the measurement process and shortens the learning time. The aim of this study is to compare the classic COSMIC FSM manual and this new “light” manual in terms of accuracy of the resulting FSM applied to case studies. The findings show that use of the light manual results in accurate measurement. In addition, there were no significant time differences between the two. With respect to the variations in COSMIC Function Points (CFP) values in the two case studies, they three causes were identified: the Object of Interest (OOI) concept and corresponding data groups, details regarding Functional Process Independence, and Error/Confirmation messages related to the scope of the information included in the manuals. Copyright © 2020 for this paper by its authors.
URI: https://hdl.handle.net/11147/9904
ISSN: 1613-0073
Appears in Collections:Computer Engineering / Bilgisayar Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection

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