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Bindis, Michael P.; Bretz, Stacey Lowery; Danielson, Neil D. – Journal of Chemical Education, 2011
The high-performance liquid chromatography (HPLC) experiment, most often done in the undergraduate analytical instrumentation laboratory course, generally illustrates reversed-phase chromatography using a commercial C[subscript]18 silica column. To avoid the expense of periodic column replacement and introduce a choice of columns with different…
Descriptors: Plastics, Chemistry, Laboratories, Undergraduate Study
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Bruck, Laura B.; Towns, Marcy; Bretz, Stacey Lowery – Journal of Chemical Education, 2010
Faculty perspectives of the undergraduate chemistry laboratory were the focus of a study to articulate the goals, strategies, and assessments used in undergraduate teaching laboratories. Data were collected via semistructured interviews with faculty (N = 22) from community colleges, liberal arts colleges, comprehensive universities, and research…
Descriptors: Organic Chemistry, Laboratories, Success, Undergraduate Study
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Buck, Laura B.; Bretz, Stacey Lowery; Towns, Marcy H. – Journal of College Science Teaching, 2008
Discrepancies abound in use of the word "inquiry." In this paper, the authors propose a quantitative rubric designed to characterize the level of inquiry in laboratory activities and laboratory curricula. They do not wish to answer the question, "What is inquiry?" but rather, provide a tool for identifying its varying degrees of student…
Descriptors: Laboratories, Higher Education, Scoring Rubrics, Science Education