Understandability measurement in an early usability evaluation for model-driven development: an empirical study

Authors:
Jose Ignacio Panach;Nelly Condori-Fernández;Francisco Valverde;Nathalie Aquino;Óscar Pastor
Affiliations:
Universidad Politécnica de Valencia, Valencia, Spain;Universidad Politécnica de Valencia, Valencia, Spain;Universidad Politécnica de Valencia, Valencia, Spain;Universidad Politécnica de Valencia, Valencia, Spain;Universidad Politécnica de Valencia, Valencia, Spain
Venue:
Proceedings of the Second ACM-IEEE international symposium on Empirical software engineering and measurement
Year:
2008

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Abstract

Traditionally, usability has been evaluated taking into account the user's satisfaction when interacting with the software system. However, in a Model-Driven Development (MDD) process, where conceptual models are the main resource for software system generation, the usability can potentially be evaluated at earlier stages. This work goes one step further proposing that certain usability attributes, specifically internal understandability attributes, can be measured from Conceptual Models. This work presents an empirical study carried out to evaluate the proposal. The goal of this study is to evaluate whether the value measured using our proposal is related to the understandability value perceived by the end user. From the analysis of the empirical results obtained, several weaknesses of the proposal are stated.