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    “Thinking About Thinking Aloud”: An Investigation of Think-Aloud Methods in Usability Testing

    HCI 2016 - Fusion!

    Proceedings of the 30th International BCS Human Computer Interaction Conference (HCI 2016)

    Bournemouth University, Poole, UK, 11 - 15 July 2016


    Obead Alhadreti & Pam Mayhew


    Usability has become an imperative aspect of survival on the web, thus, it has always been considered as a crucial aspect of web design. This paper presents the results of a study that compared two think-aloud usability testing methods: the concurrent think-aloud and the retrospective think-aloud methods. Data from task performance, testing experience, and usability problems were collected from 40 participants equally distributed between the two think-aloud conditions. The results found that while the thinking aloud method had no impact on task performance and participants testing experience, participants using the concurrent think-aloud method detected a larger number of minor problems with the test interface than participants using the retrospective think-aloud method. These findings suggest a reason for preferring the concurrent think-aloud method to the retrospective one.


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