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Using Virtual Instrument to Develop a Real-Time Web-Based Laboratory
International Journal of Distance Education Technologies
Abstract
In this study, an online experiment was developed for sub-degree students at remote locations to control and obtain real-time measurements or experimental data. Online video is set up for better visual impact of what is going on in the remote site. The intention of this Web-based laboratory package is to make the experiment more interactive, attractive, and easily accessed. Background knowledge is included for better understanding of the theory behind the experiment and gives an overview of the operation of the remote controlled software used in this remote laboratory. Multimedia elements including sound, video, and animation are added for better explanation and easier understanding of software as well as basic theory for this remote laboratory. This remote equipment control and monitor was added as a supplement laboratory to a class of engineering students. Positive feedback from students was obtained through questionnaires and interviews. These results throw light on doing remote laboratory through the Internet and direction for improvement.
... resources such as space, time and money become depleted. as a response to these problems many universities are now using simulation software as an adjunct to traditional teaching methods (Cheong, 2004;dobson & turner, 1995). results from studies have supported that using a computer program, as an addition to laboratory practicals are beneficial in terms of learning and confidence gains (Booth et al. 2010;rolfe, 2009). ...
This study compared two programs developed as a learning
tool for students to practise basic laboratory procedures.
One was a Flash simulation program, the other a Second Life
virtual reality program. A cohort of 93 bioscience students
participated in the between trial. A control group was used
to establish if using either program affected learning or confidence
gains. Gains were assessed by collecting pre-demo
and post-demo scores. Results showed no difference in gains
between the Flash and Second Life conditions but both had
significantly higher confidence gains than the control condition.
However, the control group had a significantly higher
pre-demo score casting some doubt on the reliability of the
result. Students scored Flash significantly higher as a learning
tool in an evaluation questionnaire. Furthermore, comments
from the focus group demonstrated that the majority of students
preferred to use Flash finding it easier to use, quicker
and with less distractions than Second Life. The University of
East London will now focus upon developing the Flash version
of the laboratory procedures simulation.
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