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      Impact of Experience and Team Size on the Quality of Scenarios for Architecture Evaluation

      1 , 2 , 1

      12th International Conference on Evaluation and Assessment in Software Engineering (EASE) (EASE)

      Evaluation and Assessment in Software Engineering (EASE)

      26 - 27 June 2008

      Architecture Evaluation, Quality Attributes, Scenarios, Empirical Studies, Performance Measurement

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          Abstract

          Software and systems architecture is a success-critical issue in software projects. Changing nonfunctional quality requirements, e.g., performance, modifiability, and maintainability, can have strong impact on software architecture and can result in a high rework effort in case of changes. Architecture reviews help evaluating architectural design with scenarios in early stages of product development. Quality-sensitive scenarios represent a set of software requirements (including non-functional quality attributes). In this paper we empirically investigate the impact of potentially important factors on the number and quality of scenarios elicited in an architecture evaluation workshop: (a) scoring schemes for scenario quality, (b) workshop participant experience, and (c) team size for workshop group work. We report data analysis results from an empirical study where 24 reviewers at different experience levels identified over 100 scenarios. Main findings are: (a) results of different scoring approaches (frequency-based and expert scoring) agree very well regarding critical scenarios, (b) the scenario elicitation method was more important than individual experience, and (c) adding a new person to a team of size 3 or more increases scenario coverage by less than 10%.

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          Author and article information

          Contributors
          Conference
          June 2008
          June 2008
          : 1-10
          Affiliations
          [1 ]Vienna University of Technology, Austria
          [2 ]Lero, University of Limerick, Ireland
          Article
          10.14236/ewic/EASE2008.1
          © Stefan Biffl et al. Published by BCS Learning and Development Ltd. 12th International Conference on Evaluation and Assessment in Software Engineering (EASE)

          This work is licensed under a Creative Commons Attribution 4.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

          12th International Conference on Evaluation and Assessment in Software Engineering (EASE)
          EASE
          12
          University of Bari, Italy
          26 - 27 June 2008
          Electronic Workshops in Computing (eWiC)
          Evaluation and Assessment in Software Engineering (EASE)
          Product
          Product Information: 1477-9358BCS Learning & Development
          Self URI (journal page): https://ewic.bcs.org/
          Categories
          Electronic Workshops in Computing

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