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Michelle L. Kovarik; Betty Cristina Galarreta; Peter J. Mahon; Daniel A. McCurry; Aren E. Gerdon; Steven M. Collier; Marjorie E. Squires – Journal of Chemical Education, 2022
This article reports the results of a curriculum survey of 322 analytical chemistry instructors (92% U.S.-based) conducted during Spring 2021. This snapshot of current course formats, topics, and pedagogical methods will be useful to both seasoned and novice teachers of analytical chemistry. The majority of respondents reported that their major…
Descriptors: Chemistry, Science Instruction, Active Learning, Evidence Based Practice
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Eshach, Haim; Kukliansky, Ida – International Journal of Science and Mathematics Education, 2018
The present study uses the intuitive rules theory as a framework to examine whether some of the difficulties in dealing with errors and uncertainties observed among students in the university physics laboratory can stem from their use of intuitive rules. The study also examines the relationship between the use of intuitive rules and laboratory…
Descriptors: Physics, Engineering Education, Error of Measurement, Error Patterns
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McCall, Richard P. – Physics Teacher, 2013
Systematic errors can cause measurements to deviate from the actual value of the quantity being measured. Faulty equipment (such as a meterstick that is not marked correctly), inaccurate calibration of measuring devices (such as a scale to measure mass that has not been properly zeroed), and improper use of equipment by the experimenter (such as…
Descriptors: Physics, Science Instruction, Laboratory Equipment, Science Laboratories