Evaluating Youtube Platform Usability by People with Intellectual Disabilities (A User Experience Case Study Performed in a Six-Month Period)

Tânia Rocha 1 * , José Martins 1, Frederico Branco 1, Ramiro Gonçalves 1

J INFORM SYSTEMS ENG, Volume 2, Issue 1, Article No: 5.


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A comparison study of the Web interaction evolution of a group of people with intellectual disabilities, when performing search tasks using the YouTube platform, is presented. For the effect, we compare results in two assessment moments (the second assessment moment was performed, within the 6 months after the first one). We aimed at evaluating the evolution of their digital skills by comparing two assessment moments through the following usability variables: effectiveness, we register the rate of successful complete conclusion of Web search activities using the YouTube; efficiency, where it was register: time of task conclusion, number and type of difficulties found and errors made; satisfaction, the rate of acceptance and comfort when performing the tasks; and, autonomy indicators. The results revealed that participants depicted more learning skills when performing the second assessment moment, which is indicated by the number of participants who were able to conclude the activities and it's also confirmed by the prominent results of the second assessment moment. When it comes to errors, they made more errors in the first assessment moment in general. While handling the input devices the participants had a better performance with the mouse than the keyboard however in the second assessment moment they improved their skills with the mouse and keyboard input device. However, we believed that the keyboard will never be a device that they can be autonomous with due to their reading/ writing difficulties, which itself represents a didactic challenge when it comes to the very presentation of appropriate methodologies and techniques that may help them overcome such problem. Overall, users with intellectual disabilities had a good experience with the YouTube interface because they were motivated and satisfied during the execution of the tasks, however they were not autonomy with the search option.


digital literacy, intellectual disability, learning disabilities, web interaction, YouTube platform


Rocha, T., Martins, J., Branco, F., and Gonçalves, R. (2017). Evaluating Youtube Platform Usability by People with Intellectual Disabilities (A User Experience Case Study Performed in a Six-Month Period). Journal of Information Systems Engineering & Management, 2(1), 5. https://doi.org/10.20897/jisem.201705

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