Results
of Usability Evaluation
scores across the two groups. On the basis of the data collected,
members of
the Experimental group were, on average, 24.3% more
satisfied with the
user guide than the Control group. Examining the graph of average re-
sponses from the QUIS questionnaire (Figure 9), however,
it immediately
becomes apparent that there are a number of areas where there is no major
difference visible between the two groups. The
following paragraphs will
examine these areas.
1.00
2.00
3.00
4.00
5.00
6.00
7.00
8.00
9.00
3.
1
3.
2
3.
3
3.
4
3.
5
4.
1
4.
11
4.
12
5.
1
5.
1
.1
5.
1
.2
5.
2
5.
2
.1
6.
1
6.
1
.1
6.
2
6.
3
6.
3
.1
6.
4
6.
4
.1
6.
4
.2
6.
5
7.
1
7.
1
.1
7.
2
7.
2
.1
7.
2
.2
7.
3
7.
3
.1
7.
3
.2
7.
4
7.
4
.1
8.
1
8.
1
.1
8.
1
.2
8.
1
.3
8.
2
8.
3
8.
4
8.
4
.1
8.
4
.2
Questions
Rating
Control
Experimental
Figure 9: Average Responses in User Satisfaction Survey
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