Game Development Reference
In-Depth Information
ing was carried out. This study was based on an
individual and non-anonymous enquiry sent to the
37 students of the module. The educators were
conscious that the reduced size of the sample and
the heterogeneous students' previous knowledge
in automation would make impossible to have a
formal statistical analysis; however, some global
trends were expected to be observed.
The enquiry included five questions, each of
which to be answered with a number (not neces-
sarily an integer) in the range 0 to 10. The first
four questions concerned the “usability” of ITS
PLC - i.e., how much reasonable and elegant
was the interaction with the computer program.
The last question concerned its “utility” - i.e.,
how much had the software contributed to the
students' learning.
Three criteria were used for assessing usability:
efficiency - to what extent does the software enable
the user to reach his/her goal; rapidity - how fast
can the user reach his/her goal with a minimum
cognitive effort; and satisfaction - the subjective
user evaluation of the quality of the interaction.
The four questions included in the inquiry about
usability concerned:
Ergonomics: capability of the software to
be easily installed and used - which as-
sesses “efficiency”;
Quality of the simulation: graphics and
sound - which assesses “satisfaction”;
Understanding of the virtual systems behav-
iour - which (also) assesses “efficiency”;
Serious games interest - which assesses
“efficiency”, “rapidity” and “satisfaction”.
Table 2 quantifies the “usability” of ITS PLC
from the point of view of the trainees. Average
Table 2. Students judgment about the “usability” of ITS PLC
Question 1: Ergonomics
AVRG
SD
Min
Max
Girls (20)
7,3
2,1
1,7
10
Boys (17)
7,5
1,5
5,5
10
Total (37)
7,4
1,8
1,7
10
Question 2: Quality
AVRG
SD
Min
Max
Girls (20)
8,5
2,2
1,2
10
Boys (17)
8,4
1,8
4,8
10
Total (37)
8,4
1,9
1,2
10
Question 3: Understanding
AVRG
SD
Min
Max
Girls (20)
6,1
2,1
1,6
9,7
Boys (17)
6,8
1,4
4,9
10
Total (37)
6,4
1,8
1,6
10
Question 4: Serious game interest
AVRG
SD
Min
Max
Girls (20)
7,2
2,3
2,1
10
Boys (17)
8
1,4
5,9
10
Total (37)
7,6
2
2,1
10
 
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