James R. Lewis (1995)
International Journal of Human-Computer Interaction, 7(1), 57-78.
DOI: https://doi.org/10.1080/10447319509526110
Abstract. Introduces the Post-Study System Usability Questionnaire (PSSUQ) and related instruments. Reports psychometric properties (reliability, factor structure, concurrent validity) that established PSSUQ as a standard satisfaction measure in usability evaluation.
Tags: usability-testing pssuq measurement
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