A CSCW Requirements Engineering CASE Tool: Development and usability evaluation |
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| Affiliation: | 1. Laboratoire de Mathématiques, CNRS UMR 6620, Université Blaise Pascal (Clermont-Ferrand 2), 63177 Aubière cedex, France;2. Centre de Mathématiques Appliquées, CNRS UMR7641, Ecole Polytechnique, 91128 Palaiseau cedex, France;1. Technology Center of Software Engineering, Institute of Software, Chinese Academy of Sciences, Beijing 100190, China;2. Graduate University, Chinese Academy of Sciences, Beijing 100190, China;3. State Key Laboratory of Computer Science, Beijing 100190, China;1. South Asian University, New Delhi, India;2. ABV-Indian Institute of Information Technology and Management, Gwalior, India;1. Centre de Recherches en Psychologie, Cognition et Communication, Université Rennes 2, 1 place du recteur Henri Le Moal, 35043 Rennes, France;2. IFSTTAR, Laboratoire de Psychologie de la Conduite, 25 allée des Marronniers, Satory, 78000 Versailles, France;3. LAMPA, Arts et Métiers ParisTech, 2 bd du Ronceray, 49000 Angers, France |
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| Abstract: | ContextCSRML Tool 2012 is a Requirements Engineering CASE Tool for the Goal-Oriented Collaborative Systems Requirements Modeling Language (CSRML).ObjectiveThis work aims at evaluating the usability of CSRML Tool 2012, thus identifying any possible usability flaw to be solved in the next releases of the application, as well as giving a general overview on how to develop a DSL tool similar to the one evaluated in this work by means of Visual Studio Modelling SDK.MethodIn this evaluation, which was reported by following the ISO/IEC 25062:2006 Common Industry Format for usability tests, 28 fourth-course Computer Science students took part. They were asked to carry out a series of modifications to an incomplete CSRML requirements specification. Usability was assessed by measuring the task’s completion rate, the elapsed time, number of accesses to the help system of the tool and the instructor’s verbal assistance. The participants’ arousal and pleasantness were assessed by analyzing both facial expressions and a USE questionnaire.ResultsIn spite of obtaining high usability levels, the test outcome revealed some usability flaws that should be addressed.ConclusionThe important lessons learnt from this evaluation are also applicable to the success of other usability tests as well as to the development of new CASE tools. |
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| Keywords: | Usability evaluation CASE tool CSRML Requirements engineering CSCW ISO/IEC 25062:2006 |
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