Usability Evaluation of Facebook and Instagram by Visually Impaired People

Amna Sajid ()
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Amna Sajid: Faculty of Engineering and Computer Science, National University of Modern Languages

International Journal of Innovations in Science & Technology, 2022, vol. 4, issue 5, 157-171

Abstract: Introduction/Importance of Study:Social networking websites have become the main medium for communication, information sharing, entertainment, buying/selling, and various other purposes. People of every age use social networking websites,and their usage is increasing daily,especially in current circumstances. People with different abilities also used social networking websites, but each set of users had their requirements forusing these websites. Visually impaired people use computers and the web with the help of screen reading tools e. g.; jaws, and NVDA. Screen reading tools read a web page sequentially, which wasa time-consumingprocess. The major problem with screen reading tools came while reading visual content. Screen reading tools only read the alternate texts of non-visual content behind their tag. This researchfocuses on the usability of social networking websitesfor visually impaired people. Two of the most commonly used social networking websites,Facebook and Instagram,were selected for the usability evaluation. Accessibility, efficiency, and effectiveness were the metrics of usability, which were evaluated in thisstudy.Novelty statement:A consolidatedset of guidelines specific to social networking websites were presented in which some new guidelines were also proposed for Facebook. A mock interface was developed based on the proposed guidelines for Facebook.Material and Method:`For the evaluation of usability, a controlled experiment was conducted with 28 visually impaired people in which 16 participants evaluated Facebook and 12 evaluated Instagram to find the usability problems faced by visually impaired people.Result and Discussion:Results showthat Instagram was as easy to use ascomparedto Facebook when used by visually impaired people with the help of screen reading tools. Concluding Remarks:Results showed that Facebook was difficult to use in comparison to Instagram. Thus, new guidelines were proposed for Facebook,and based on the guidelines,a prototype was proposed.

Keywords: Usability evaluation; Facebook; Instagram; Visually impaired and WCAG (search for similar items in EconPapers)
Date: 2022
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