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Tagged with statistics usability-study
3 questions
0
votes
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Interpretation of different results for usability
Overview:
For a study, two independent groups evaluated a system using two different usability measures (SUS and PSSUQ).
The PSSUQ collects slightly better scores when translated into the range 0-100 ...
- 111
1
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0
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Appropriate statistical test for unclear/non-normal raw data distribution of small sample size
Given data:
30 datapoints in the form of usability scores (e.g. SUS)
2 groups within data
Objective:
Investigate statistical significance of difference between usability scores of two groups
Problem:
...
- 111
2
votes
1
answer
224
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How do I treat an 'Incomplete' in a Usability study?
I conducted a usability test where a user is given a set of tasks and we score them based on task completion (completed with ease, completed with minor difficulty, completed with major difficulty, and ...
