Articles by Ian Robertson, MA
Mr. Robertson is a graduate researcher in the Department of Psychological Sciences at Rice University in Houston, Texas. His research focuses on the measurement of usability, usability methods, trust in highly autonomous vehicles, and measurement development.
Validity of Three Discount Methods for Measuring Perceived Usability
Abstract Within the domain of subjective usability assessment, several potential discount methods exist. However, there is little or no prior research investigating how these methods compare in their impact on subjective usability ratings. This study compared four methods of collecting subjective usability data with the System Usability Scale (SUS). Users were asked to use and […] [Read More]