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Retrospective protocols in usability testing: a comparison of Post-session RTA versus Post-task RTA reports

Willis, Leanne and McDonald, Sharon (2016) Retrospective protocols in usability testing: a comparison of Post-session RTA versus Post-task RTA reports. Behaviour & Information Technology, 35 (8). pp. 628-643. ISSN 0144-929X

Item Type: Article

Abstract

We present the results of a study that compared two placements of the Retrospective Think-aloud (RTA): A Post-session RTA where the think-aloud occurs after all tasks are complete, and a Post-task RTA where the think-aloud is elicited after each task. Data from task performance and verbal measures were collected from 24 participants. The results suggest that in terms of task performance, participants in the Post-session RTA condition performed tasks faster, with fewer errors and fewer clicks than in the Post-task RTA condition. In terms of utterances, participants in the Post-task RTA condition produced significantly more utterances that explained actions, expectations and procedural descriptions than in the Post-session RTA condition.

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More Information

Depositing User: Paula Normington

Identifiers

Item ID: 6284
Identification Number: https://doi.org/10.1080/0144929X.2016.1175506
ISSN: 0144-929X
URI: http://sure.sunderland.ac.uk/id/eprint/6284
Official URL: http://www.tandfonline.com/doi/full/10.1080/014492...

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Catalogue record

Date Deposited: 10 May 2016 13:45
Last Modified: 28 Jan 2021 16:28

Contributors

Author: Leanne Willis
Author: Sharon McDonald

University Divisions

Faculty of Technology > FOT Executive

Subjects

Computing

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