Please use this identifier to cite or link to this item: http://dx.doi.org/10.14279/depositonce-6926
Main Title: On the distinction of functional and quality requirements in practice
Author(s): Eckhardt, Jonas
Vogelsang, Andreas
Méndez Fernández, Daniel
Type: Conference Object
Language Code: en
Abstract: Requirements are often divided into functional requirements (FRs) and quality requirements (QRs). However, we still have little knowledge about to which extent this distinction makes sense from a practical perspective. In this paper, we report on a survey we conducted with 103 practitioners to explore whether and, if so, why they handle requirements labeled as FRs differently from those labeled as QRs. We additionally asked for consequences of this distinction w.r.t. the development process. Our results indicate that the development process for requirements of the two classes strongly differs (e.g., in testing). We identified a number of reasons why practitioners do (or do not) distinguish between QRs and FRs in their documentation and we analyzed both problems and benefits that arise from that. We found, for instance, that many reasons are based on expectations rather than on evidence. Those expectations are, in fact, not reflected in specific negative or positive consequences per se. It therefore seems more important that the decision whether to make an explicit distinction or not should be made consciously such that people are also aware of the risks that this distinction bears so that they may take appropriate countermeasures.
URI: https://depositonce.tu-berlin.de//handle/11303/7748
http://dx.doi.org/10.14279/depositonce-6926
Issue Date: 2016
Date Available: 4-May-2018
DDC Class: 004 Datenverarbeitung; Informatik
Subject(s): quality requirements
functional requirements
survey
License: http://rightsstatements.org/vocab/InC/1.0/
Proceedings Title: Product-Focused Software Process Improvement. PROFES 2016
Publisher: Springer
Publisher Place: Cham
Volume: 2016
Publisher DOI: 10.1007/978-3-319-49094-6_3
Page Start: 31
Page End: 47
Series: Lecture Notes in Computer Science
Series Number: 10027
ISBN: 978-3-319-49094-6
Appears in Collections:FG IT-basierte Fahrzeuginnovationen » Publications

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