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What Do Usability Evaluators Do in Practice? An Explorative Study of Think-Aloud Testing.

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Presentation on theme: "What Do Usability Evaluators Do in Practice? An Explorative Study of Think-Aloud Testing."— Presentation transcript:

1 What Do Usability Evaluators Do in Practice? An Explorative Study of Think-Aloud Testing

2 14 tænke højt test  7 virksomheder 2

3 3

4 Dataindsamling Hypotese 24 timer og 54 minutter 4

5 Dataanalyse 641 segmenter 35 nøgleord 6 grupper 5

6 Analysis of results from a test session Analyse er ustruktureret  9 Analyse er ufuldstændige  9 Analyse som et sammendrag med brugeren  3 6

7 Analysis of results from a test session ”Let’s sum up...” 7

8 Confirmation of known issues as a test focus På udkig efter kendte problemer  8 Evaluatorerne havde forudset problemer  5 8

9 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” 9

10 Practical realities influencing tests Tekniske problemer  8 Ikke færdige prototyper  6 10

11 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” 11

12 Questions asked during a test Problemer bliver forklaret, ikke oplevet  13 Ledende spørgsmål  13 Unødvendige eller indlysende spørgsmål  10 12

13 Questions asked during a test ”Did you notice this column?” ”What did you expect to see?” 13

14 Trying to meet labratory-style scientific standards Evaluatorerne vil have lignende forhold for brugere  5 Stive eller kunstige procedurer  3 14

15 Trying to meet labratory-style scientific standards ”We have to make sure that all the users get the same questions” 15

16 Uncovering usability problems or utility concerns Brugere peger på anvendelighed eller mangel på  10 Evaluatorerne peger på anvendelighed problemer  7 16

17 Uncovering usability problems or utility concerns ”This is just to tell you that I would not do it like this!” 17

18 18

19 System failure... 19

20 31 af 404 = 7,6 % 20


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