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Comparison of three one-question, post-task usability questionnaires

Comparison of three one-question, post-task usability questionnaires CHI 2009 ~ Usability Methods April 8th, 2009 ~ Boston, MA, USA Comparison of Three One-Question, Post-Task Usability Questionnaires Jeff Sauro Oracle Corporation Denver, CO USA jeff@measuringusability.com ABSTRACT Joseph S. Dumas User Experience Consultant Yarmouth Port, MA USA joe.dumas99@gmail.com which is the domain of post-test questionnaires, such as the Software Usability Scale (SUS) [1]. Because of the time constraints imposed by a measure made after each task, researchers have worked to make post-task questionnaires brief and easy for participants to use. One of the first post-task questionnaires, the After-Scenario Questionnaire (ASQ), is composed of three rating scales in a Likert1 format [3]. To assess the impact of the questionnaire, participants performed the same tasks with three software products and filled out the questionnaire after each task. The ASQ exhibited acceptable reliability and sensitivity and the Likert format was easy for participants to use and easy for researchers to score. A more recent study compared four variations of the Likert question type, including two of the ASQ questions [8]. In that study, each participant used one of the formats to rate tasks. All of the scales had significant correlations with task time and a post-test SUS questionnaire. The analysis http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png

Comparison of three one-question, post-task usability questionnaires

Association for Computing Machinery — Apr 4, 2009

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References (15)

Datasource
Association for Computing Machinery
Copyright
Copyright © 2009 by ACM Inc.
ISBN
978-1-60558-246-7
doi
10.1145/1518701.1518946
Publisher site
See Article on Publisher Site

Abstract

CHI 2009 ~ Usability Methods April 8th, 2009 ~ Boston, MA, USA Comparison of Three One-Question, Post-Task Usability Questionnaires Jeff Sauro Oracle Corporation Denver, CO USA jeff@measuringusability.com ABSTRACT Joseph S. Dumas User Experience Consultant Yarmouth Port, MA USA joe.dumas99@gmail.com which is the domain of post-test questionnaires, such as the Software Usability Scale (SUS) [1]. Because of the time constraints imposed by a measure made after each task, researchers have worked to make post-task questionnaires brief and easy for participants to use. One of the first post-task questionnaires, the After-Scenario Questionnaire (ASQ), is composed of three rating scales in a Likert1 format [3]. To assess the impact of the questionnaire, participants performed the same tasks with three software products and filled out the questionnaire after each task. The ASQ exhibited acceptable reliability and sensitivity and the Likert format was easy for participants to use and easy for researchers to score. A more recent study compared four variations of the Likert question type, including two of the ASQ questions [8]. In that study, each participant used one of the formats to rate tasks. All of the scales had significant correlations with task time and a post-test SUS questionnaire. The analysis

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