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Podcast: Design Critique: Products for People
Episode: DC103 WordCast: Verbal Protocols (Thinking Aloud)
Description: Dr. Robert Youmans from George Mason University joins Tim Keirnan for a wordcast episode on verbal protocols. Why and how do we ask usability research participants to think aloud about their task performance, and what does using this method do to our data? Dr. Youmans covers four different methods of thinking aloud:1. Concurrent Verbal Protocol2. Retrospective Verbal Protocol3. Interruptive Verbal Protocol4. Prospective Verbal ProtocolThe remainder of the episode covers research on how using concurrent verbal protocol can affect your data. People do not normally think aloud while doing tasks with products, and...