Development and Validation of Scientific Practices Assessment Tasks for the General Chemistry Laboratory

The development of proficiency in the practices used by scientists and engineers is considered an important student outcome of laboratory instruction. We developed tasks to assess students’ use and development of selected scientific and engineering practices in the general chemistry laboratory using...

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Bibliographic Details
Published in:Journal of chemical education 2020-04, Vol.97 (4), p.884-893
Main Authors: Stephenson, Norda S, Duffy, Erin M, Day, Elizabeth L, Padilla, Kira, Herrington, Deborah G, Cooper, Melanie M, Carmel, Justin H
Format: Article
Language:English
Subjects:
Chemical Education Research
Chemistry
Clinical trials
College Science
College Students
Engineering
Laboratories
Reliability engineering
Science Process Skills
Science Tests
Scientific method
Student Evaluation
Students
Test Construction
Test Reliability
Test Validity
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Summary:The development of proficiency in the practices used by scientists and engineers is considered an important student outcome of laboratory instruction. We developed tasks to assess students’ use and development of selected scientific and engineering practices in the general chemistry laboratory using an adapted evidence-centered design approach. In this paper, we provide a detailed description of the process of development and validation of these assessment tasks, using one of our tasks to illustrate the process. The tasks show strong evidence of validity and reliability for revealing students’ understanding of scientific and engineering practices within the research context.
ISSN:0021-9584
1938-1328
DOI:10.1021/acs.jchemed.9b00897