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ía Dolores Lozano, Enrique Arias, and Pablo Bermejo
Figure 6.21
Inserting an Image
from the Repository
When Creating an
Exercise
Table 6.1 s u s Questionnaire
s I think that I would like to use the Content Manager frequently.
s I found the Content Manager unnecessarily complex.
s I thought the Content Manager was easy to use.
s I think that I would need the support of a technical person to be able to use the
Content Manager.
s I found the various functions in the Content Manager were well integrated.
s I thought there was too much inconsistency in the Content Manager.
s I would imagine that most people would learn to use the Content Manager very
quickly.
s I found the Content Manager very cumbersome to use.
s I felt very confident using the Content Manager.
s I needed to learn a lot of things before I could get going with the Content Manager.
of them had a basic understanding of the tool before starting the evalu-
ation. All participants were provided with their credentials and access in-
structions, as well as a simple user manual on how to use the functionality
of the application.
We have based the evaluation on the widely used method called System
Usability Scale (s u s) (Brooke, 1996). The s u s scale consists of a set of
10 questions, as shown in Table 6.1. In the questionnaire, odd-numbered
items are positive, while even-numbered items are negative, in order to re-
duce acquiescence response bias. Participants were asked to respond in a
Likert scale of five points – from 1 to 5 – representing respectively: ‘strongly
disagree,’ ‘disagree,’ ‘neutral,’ ‘agree’ and ‘strongly agree.’ After applying the
corresponding formula to the answers, as defined by Brooke (1996), the
132
Figure 6.21
Inserting an Image
from the Repository
When Creating an
Exercise
Table 6.1 s u s Questionnaire
s I think that I would like to use the Content Manager frequently.
s I found the Content Manager unnecessarily complex.
s I thought the Content Manager was easy to use.
s I think that I would need the support of a technical person to be able to use the
Content Manager.
s I found the various functions in the Content Manager were well integrated.
s I thought there was too much inconsistency in the Content Manager.
s I would imagine that most people would learn to use the Content Manager very
quickly.
s I found the Content Manager very cumbersome to use.
s I felt very confident using the Content Manager.
s I needed to learn a lot of things before I could get going with the Content Manager.
of them had a basic understanding of the tool before starting the evalu-
ation. All participants were provided with their credentials and access in-
structions, as well as a simple user manual on how to use the functionality
of the application.
We have based the evaluation on the widely used method called System
Usability Scale (s u s) (Brooke, 1996). The s u s scale consists of a set of
10 questions, as shown in Table 6.1. In the questionnaire, odd-numbered
items are positive, while even-numbered items are negative, in order to re-
duce acquiescence response bias. Participants were asked to respond in a
Likert scale of five points – from 1 to 5 – representing respectively: ‘strongly
disagree,’ ‘disagree,’ ‘neutral,’ ‘agree’ and ‘strongly agree.’ After applying the
corresponding formula to the answers, as defined by Brooke (1996), the
132
