Participants verbalize what they are doing and thinking as they complete a task
• This is among the most common evaluative methods in the usability community, revealing aspects of an interface that delight, confuse, or frustrate.
• It asks people to articulate what they are doing, thinking, or feeling as they complete a set of tasks that align with their realistic day-to-day goals.
• Concurrent think-aloud is most common, asking the participant to work through tasks while articulating what he or she is doing, thinking, and feeling.
• Retrospective think-aloud asks participants to complete a task in silence and then comment on their processes as they watch a recorded replay of their experience. This can provide additional ...