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The design oriented research described in this thesis aims at designing an realizing an electronic performance support system for food chemistry laboratory classes (labEPSS). Four design goals related to food chemistry laboratory classes were identified. Firstly, labEPSS should avoid extraneous cognitive load caused by the instructional format of the laboratory classes. Secondly, labEPSS should let students prepare for their laboratory experiments. Thirdly, labEPSS should support the communication in the laboratory class between students and between students and supervisors. Fourthly, labEPSS should give students the freedom to plan their experiments, without supervisors losing control and without risking overbooking of equipment. To address these goals, a couple of tools were designed, realized and subsequently used and evaluated in two model food chemistry laboratory classes:A web-based laboratory manual, aiming to provide students with just-in-time procedural information (e.g. how an apparatus looks like, where chemicals can be found). A web-based experiment design tool, aiming to let students design their research strategy as a workflow beforehand and support students while carrying out this strategy in the laboratory. A ‘web-app’ for students’ smartphones providing the same functionalities as the digital laboratory manual. A web-based equipment booking system, which is part of the web-based experiment design tool.
Based on the evaluations it can be concluded that students and supervisors appreciated the tools and that these tools are capable of reaching the design goals. Finally, an overall design of labEPSS is proposed, in which the tools offer an integrated experience. Because labEPSS is highly configurable, it can be used in many different laboratory classes throughout curricula.
|Qualification||Doctor of Philosophy|
|Award date||22 Mar 2013|
|Place of Publication||S.l.|
|Publication status||Published - 2013|
- food chemistry
- education support
- support systems
- laboratory tests
- computer assisted instruction
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