5 FIELD TRIAL
In order to validate the described multi-platform
learning system, a field trial was driven October
10th – 30th, 2008. Ten workers of commerce sector
took part of the trial completing one of the deployed
courses, namely, this related to Communication and
Customer Service.
Requirements taken into account for user selection
are the following:
Internet
PC and an Internet connection,
roadband where available (ADSL)
Móviles
Mobile device with a optimal screen
resolution: 240x320 pixels.
Mobile Internet navigator: Internet
Explorer Mobile or Opera Mini.
TDT
TV set and DTT receiver with support
for MHP interactive applications
DTT connected to a broadband Internet
connection
The results obtained by a survey within the
participants show that, even though courses might be
completed successfully accesing just through one of
the available platforms, users detected that the
different access devices where complementary and
pointed out pros and cons for each of them.
Thus, for the Internet access, its strength is the
greater download speed and agility that enables a
better access to information. This scenario is also
more prone to an evolution to collaborative
envorinments.
On the other hand, DTT access provides a simple
easy-to-use interface as it is based on a common,
well-known device, altought not with educational
porpuses. That fact eases the interaction user-
application and it’s more accesible to users with
psychological rejection to IT systems.
Last, mobile devices provide the benefits of
mobility. Due to their features, mobile devices were
used to access to communication functionalities, to
store information, to quickly review units already
visited or to carry out evaluation tests.
6 CONCLUSIONS
A multiplatform environment was presented by
integrating several learning environments:
traditional e-learning, mobile devices and interactive
digital TV based on MHP. The interoperability of
the system is achieved and there are similar user
interfaces for all the platforms. The information of
the progress and the learning state of each pupil is
shared by all the systems. The pupils can also
participate in a community in order to improve the
learning process.
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