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- W2013500172 abstract "Scenarios are an established means to specify re- quirements for software systems. Scenario-based tests allow for validating software models against such requirements. In this pa- per, we consider three alternative notations to define such scenario tests on structural models: a semi-structured natural-language notation, a diagrammatic notation, and a fully-structured textual notation. In particular, we performed a study to understand how these three notations compare to each other with respect to accuracy and effort of comprehending scenario-test definitions, as well as with respect to the detection of errors in the models under test. 20 software professionals (software engineers, testers, researchers) participated in a controlled experiment based on six different comprehension and maintenance tasks. For each of these tasks, questions on a scenario-test definition and on a model under test had to be answered. In an ex-post questionnaire, the participants rated each notation on a number of dimensions (e.g., practicality or scalability). Our results show that the choice of a specific scenario-test notation can affect the productivity (in terms of correctness and time-effort) when testing software models for requirements conformance. In particular, the participants of our study spent comparatively less time and completed the tasks more accurately when using the natural-language notation compared to the other two notations. Moreover, the participants of our study explicitly expressed their preference for the natural-language notation." @default.
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- W2013500172 date "2014-09-01" @default.
- W2013500172 modified "2023-09-23" @default.
- W2013500172 title "Comparing Three Notations for Defining Scenario-Based Model Tests: A Controlled Experiment" @default.
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- W2013500172 doi "https://doi.org/10.1109/quatic.2014.19" @default.
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