Evaluation shows improved conceptual understanding through web-based prelab exercises in senior-level instrumental analysis, indicating effective learning tools.
This paper describes the design, use, and evaluation of World Wide Web-based prelab exercises in senior-level Instrumental Analysis. On-time completion of the prelab assignments was 75%, but use of other online resources such as a question-and-answer page was minimal. A midsemester assessment of the prelabs found that the multiple-choice questions were better for increasing conceptual understanding, rather than preparing the students for the actual lab work.
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Tissue et al. (1996) studied this question.
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