What Do Usability Evaluators Do in Practice ? An Explorative Study of Think-Aloud Testing
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What Do Usability Evaluators Do in Practice?An Explorative Study of Think-Aloud Testing
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14 tænke højt test 7 virksomheder
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A B C D E F G0
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Arbejder med usabilityEvaluatorer til stede Observerede test
Virksomheder
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Dataindsamling
Hypotese24 timer og 54 minutter
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Dataanalyse
641 segmenter 35 nøgleord
6 grupper
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Analysis of results from a test session
Analyse er ustruktureret 9Analyse er ufuldstændige 9Analyse som et sammendrag med brugeren3
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Analysis of results from a test session
”Let’s sum up...”
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Confirmation of known issues as a test focus
På udkig efter kendte problemer8Evaluatorerne havde forudset problemer5
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Confirmation of known issues as a test focus
Person 1:
”I think we agree on many of the issues”
Person 2:
”Yes – I have already written the chapter, I just need the
ammunition”
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Practical realities influencing tests
Tekniske problemer 8Ikke færdige prototyper 6
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Practical realities influencing tests
”Now...Let us see...[searches in prototype paper
sheets] ...these are brand new, so I have not looked at them before”
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Questions asked during a test
Problemer bliver forklaret, ikke oplevet 13Ledende spørgsmål 13Unødvendige eller indlysende spørgsmål 10
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Questions asked during a test
”Did you notice this column?”
”What did you expect to see?”
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Trying to meet labratory-style scientific standards
Evaluatorerne vil have lignende forhold for brugere 5Stive eller kunstige procedurer 3
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Trying to meet labratory-style scientific standards
”We have to make sure that all the users
get the same questions”
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Uncovering usability problems or utility concerns
Brugere peger på anvendelighed eller mangel på 10Evaluatorerne peger på anvendelighed problemer 7
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Uncovering usability problems or utility concerns
”This is just to tell you that I would
not do it like this!”
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System failure...
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31 af 404 = 7,6 %