Los paradigmas de interacción frente a los perfiles de los usuarios relacionadas con la edad : una evaluación sobre la selección de contenidos (Interaction Paradigms Versus Age-Related User Profiles: an Evaluation on Content Selection)

Diana Carvalho (dianac@utad.pt), Maximino Bessa (maxbessa@utad.pt), Luís Magalhães (lmagalha@utad.pt), Eurico Carrapatoso (emc@fe.up.pt)

Universidade de Trás-os-Montes e Alto Douro
This paper appears in: Revista IEEE América Latina

Publication Date: Feb. 2015
Volume: 13,   Issue: 2 
ISSN: 1548-0992

Novel input modalities such as touch, tangibles or gestures try to exploit human's innate skills rather than imposing new learning processes. However, despite the recent boom of different natural interaction paradigms, it hasn't been systematically evaluated how these interfaces influence a user's performance or whether each interface could be more or less appropriate when it comes to: 1) different age groups; and 2) different basic operations, as data selection, insertion or manipulation. This work presents the first step of an exploratory evaluation about whether or not the users' performance is indeed influenced by the different interfaces. The key point is to understand how different interaction paradigms affect specific target-audiences (children, adults and older adults) when dealing with a selection task. 60 participants took part in this study to assess how different interfaces may influence the interaction of specific groups of users with regard to their age. Four input modalities were used to perform a selection task and the methodology was based on usability testing (speed, accuracy and user preference). The study suggests a statistically significant difference between mean selection times for each group of users, and also raises new issues regarding the “old” mouse input versus the “new” input modalities.

Index Terms:
Human-Computer Interaction, Natural User Interfaces, Interaction Paradigms, Input Modalities, Mouse, Touch, Tangibles, Gestures, Selection Task   

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