Julio Ariel Hurtado

Eye tracking-based behavioral study of users using e-voting systems

Abstract In recent years, a set of usability requirements for e-voting systems have been put into place. However, there is not a coherent perception of the exact content and scope of these requirements as yet. Various e-voting applications have been created with this very purpose, but they have not been totally effective due to their ease of usability. In order to find out what the critical issues are regarding usability for these types of applications, this paper carries out a study based on the user’s behavior while using two e-voting systems applications. This study has been carried out using the eye tracking technique through which it was possible to identify two problematic areas that affect their ease of use. With this technique, a visual tracking of the user’s eyes is done in order to analyze qualitatively (gaze and heat maps) and quantitatively (statistical) the different tasks that must be performed by the user. The results show that the applications have issues displaying non-relevant information as well as an absence in the system of specific steps in order to complete the process of voting successfully and avoid user mistakes. According to the above, the perception about the security of the system increases if the information included is clearer and understandable to the user.

Integrating collaboration engineering with software process modeling: a visual approach

The way as a team interact is determinant for increasing the software organization capability. So, recognize the best interaction mechanisms is a key strategy in order to improve performance in software development teams. Since a growing number of available SPEM 2.0 process models, we propose use this kind of the models as a tool, coAVISPA, in order to identify collaboration aspects to be potentially incorporated as improvement strategies for software development teams. coAVISPA follows a visual strategy and collaboration patterns applied to tasks and roles blueprints. A case study indicates that coAVISPA is an effective analysis tool.

Analyzing the learnability of childprogramming model, as a subcharacteristic of the usability

ChildProgramming is a process model which teaches software programming to children, and its goal is to get computational thinking skills. This model was proposed in the year 2012 and has been implemented in some educational institutions to the programming teaching which is getting significant results. In the investigation and consolidation have performed different case studies where the teachers have manifested some difficulties in the moment of interpret and apply the model in their classroom. However, ChildProgramming is not a software product, but a process, this paper propose to evaluate the learning capacity that offers the model to its end users, as one the subcharacteristics of the proposed usability in the norm ISO/IEC 25010. For this evaluation is defined some metrics related to familiarity, common language, consistency and intuition, which in this work are adapted to the evaluation of a software process with purpose of identify improvements in the structure and description of the ChildProgramming model.