Geoscience Reference
In-Depth Information
Table 1 Time taken (in
minutes) for the tasks in each
environment (efficiency)
Object
CAD
GIS
VE
Create 3D object
4.37
9.49
3.49
Edit size of the objects
2.63
3.35
1.93
Pan/rotate round the object
8.14
2.57
2.69
Change texture of the object
1.01
2.29
1.86
Sum
16.15
17.69
9.97
Plot of efficiency
25
20
15
10
5
CAD
GIS
VR
Fig. 10 Plot of time taken (in minutes) in the three environments (efficiency)
Plot of effectiveness
100
90
80
70
60
50
CAD
GIS
VR
Fig. 11 Plot of percentage correctness of tasks in the three environments (effectiveness)
3.4 Satisfaction
Table 2 reports the comparative satisfaction results. There is a definite trend of more
positive assessments (average Likert score >3) for the VE, with CAD and GIS both
less positive to similar degrees. The spread of opinion (standard deviation) is also
 
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