Assessing usability in dof: an Activity for children with speech disorders
Valderrama Bahamóndez, Elba Del Carmen
Molina-Poveda, Eduardo S.
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This paper presents the findings of an empirical study of a prototype for children with speech disorders. --- the purpose of this work was to evaluate the interaction process of children on the Dice of Phoneme DoF (DoF) to identify problems based on attributes usability. DoF is a playful activity designed to support the therapy process in children with dyslalia: the most common speech disorders in childhood. In order to identify aspects related to usability problems, we evaluate DoF taking into account usability attributes. The evaluation was realized in terms on formative usability testing method. The process was based on direct observations of children using DoF. Criteria evaluation was designed to obtain information to lead improvement of DoF in terms of better user-software interaction to benefit children with dyslalia. Although children encountered some usability problems during their interaction, most parts of the process of DoF were performed in well, which means it is significant evidence to improve the activity created.