In this study, we analyzed the situation of a learner's lowered head when learners watch a
lecture at e-learning environment. Especially we focused on the situation of note taking.
Second, nodding within two seconds is not relevant to the situation of note taking. Third, for
the situation of the e-learning system with the automatic speed control of multimedia
materials, the number of pause and rewind buttons clicked decreases dramatically. Last,
because the automatic speed control of multimedia materials secures hours to take notes,
learners are able to concentrate more on the lecture and feel satisfied.
This research contributes the advancement of e-learning system for e-learning learners as
this research shows the effects on natural user interface. And this research contributes to elearning
researchers and developers as this study provides substantive improvement points of
the e-learning system.
However, our research has several limitations. First, most participants are twenties, despite
e-learning users are varied age. Second, experiment materials do not contain a wide variety.
Last, experiments are performed without an actual device.
In the future, we need to analyze data with more various learning materials and the diverse
participants. And It is essential to use an actual device embedded in e-learning system. Now,
the development of this device is nearly finished. Therefore, we will perform experiments on
a device with the automatic speed control of multimedia materials in near future
In this study, we analyzed the situation of a learner's lowered head when learners watch a
lecture at e-learning environment. Especially we focused on the situation of note taking.
Second, nodding within two seconds is not relevant to the situation of note taking. Third, for
the situation of the e-learning system with the automatic speed control of multimedia
materials, the number of pause and rewind buttons clicked decreases dramatically. Last,
because the automatic speed control of multimedia materials secures hours to take notes,
learners are able to concentrate more on the lecture and feel satisfied.
This research contributes the advancement of e-learning system for e-learning learners as
this research shows the effects on natural user interface. And this research contributes to elearning
researchers and developers as this study provides substantive improvement points of
the e-learning system.
However, our research has several limitations. First, most participants are twenties, despite
e-learning users are varied age. Second, experiment materials do not contain a wide variety.
Last, experiments are performed without an actual device.
In the future, we need to analyze data with more various learning materials and the diverse
participants. And It is essential to use an actual device embedded in e-learning system. Now,
the development of this device is nearly finished. Therefore, we will perform experiments on
a device with the automatic speed control of multimedia materials in near future
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