About

Sarah Johnstone holds an MA in Experimental Psychology from the University of Pennsylvania. In her graduate work she received formal training in human perception, language processing, and decision making; her research focused on why people misunderstand or misperceive certain kinds of written, spoken, and visual information, and how they recover from those mistakes. Previously she studied linguistics and sociology, and has experience interviewing diverse groups of people, putting them at ease, and encouraging them to speak and act naturally. She is passionate about discovering what makes an instruction or interface ambiguous, and applying that data to design improvements.

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