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Direct linkKlein, P.; Hirth, M.; Gröber, S.; Kuhn, J.; Müller, A. – Physics Education, 2014
Smartphones and tablets are used as experimental tools and for quantitative measurements in two traditional laboratory experiments for undergraduate physics courses. The Doppler effect is analyzed and the speed of sound is determined with an accuracy of about 5% using ultrasonic frequency and two smartphones, which serve as rotating sound emitter…
Descriptors: Science Instruction, Telecommunications, Handheld Devices, Educational Technology
Peer reviewedLyon, A. J. – Physics Education, 1980
Discusses rapid, approximate methods for the calculation of errors estimates and other statistical results without using the computer. (SK)
Descriptors: College Science, Error of Measurement, Higher Education, Physics
Peer reviewedGarrison, Dean H. – Physics Teacher, 1975
Describes an activity designed to introduce concepts of randomness and standard deviation. (CP)
Descriptors: Analysis of Variance, College Science, Error of Measurement, Experiments
Peer reviewedO'Reilly, James E. – Journal of Chemical Education, 1986
Outlines the simple exercise of measuring the length of an object as a concrete paradigm of the entire process of making chemical measurements and treating the resulting data. Discusses the procedure, significant figures, measurement error, spurious data, rejection of results, precision and accuracy, and student responses. (TW)
Descriptors: Chemistry, College Science, Error of Measurement, Higher Education
Peer reviewedHudgins, R. R.; Reilly, P. M. – Chemical Engineering Education, 1989
Discussed are problems encountered when a gas absorption experiment with strong measurement error is used. Notes students either avoid the experiment or report it as defective. Provides ideas to make lab experiments more instructive. (MVL)
Descriptors: Chemical Analysis, Chemical Engineering, Chemistry, College Science
