Chapter 8

Standardized usability questionnaires

Abstract

Standardized usability questionnaires are questionnaires designed for the assessment of perceived usability, typically with a specific set of questions presented in a specified order using a specified format with specific rules for producing scores based on the answers of respondents. For usability testing, standardized questionnaires are available for assessment of a product at the end of a study (post-study—e.g., QUIS, SUMI, PSSUQ, and SUS) and after each task in a study (post-task—e.g., ASQ, Expectation Ratings, SEQ, SMEQ, and Usability Magnitude Estimation). Standardized questionnaires are also available for the assessment of website usability (e.g., WAMMI and SUPR-Q) and for a variety ...

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