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Verbal protocol (Tasks (observation 2 (analysing (direct better than…
Verbal protocol
Tasks
realistic questions
try give a real environment
number of users
quality vs quantity
observation 2
software logging
screen recording
key stroke logging
verbal protocol
listen to behaviour through video or audio
observing observation
video
analysing
critical incidents
breakdowns
direct better than survey
easier to get answers
Protocols
concurrent
immediate answer
open and closed questions
retrospective
video playback
think aloud
tell user to speak what they think
may be difficult to convert their decisions into a verbal form
cooperative evaluation
user is part of the evaluation