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Prathiba Natesan Batley; Madhav Thamaran; Larry Vernon Hedges – Grantee Submission, 2023
Single case experimental designs are an important research design in behavioral and medical research. Although there are design standards prescribed by the What Works Clearinghouse for single case experimental designs, these standards do not include statistically derived power computations. Recently we derived the equations for computing power for…
Descriptors: Calculators, Computer Oriented Programs, Computation, Research Design
Greenslade, Thomas B., Jr. – Physics Teacher, 2022
As I approach my 70th year in physics, let me tell my younger colleagues about my adventures with computation. When I was 14, my father gave me a slide rule because I appeared to be headed toward a career in physics. Since then, I have had experience with many other calculating devices.
Descriptors: Physics, Science Instruction, Educational Technology, Calculators
Stewart, Andrew – Australian Mathematics Education Journal, 2019
The Birthday Paradox problem can be investigated either with a carefully constructed spreadsheet (for greatest precision) or a calculator process (for reasonable precision). A number of ways of approaching this problem as a class activity are provided.
Descriptors: Teaching Methods, Spreadsheets, Computation, Calculators
Bennett, Blake; Hurley, Janet; Merchant, Mike – Journal of Extension, 2016
Having the ability to assess pest problems in schools is essential for a successful integrated pest management (IPM) program. However, such expertise can be costly and is not available to all school districts across the United States. The web-based IPM Calculator was developed to address this problem. By answering questions about the condition of…
Descriptors: Calculators, Computation, School Buildings, Risk Management
Lancaster, Ron – Mathematics Teacher, 2016
Can you solve the following Problem? There are 200 fish in an aquarium, and 99 percent of them are guppies. How many guppies must be removed to reduce the tank's guppy population to 98 percent? The key to this problem is to work backward by using the data given in figure 2 to determine the surface area of the top of the aquarium; then determine…
Descriptors: Mathematics Instruction, Problem Solving, Word Problems (Mathematics), Equations (Mathematics)
Kissane, Barry – Australian Mathematics Teacher, 2017
It seems that calculators continue to be misunderstood as devices solely for calculation, although the likely contributions to learning mathematics with modern calculators arise from other characteristics. A four-part model to understand the educational significance of calculators underpins this paper. Each of the four components (representation,…
Descriptors: Foreign Countries, Calculators, Educational Technology, Teaching Methods
Domenick, Anthony – Online Submission, 2015
Patterns are a ubiquitous phenomenon. They exist in nature's plant species emerging as a complete order from truncated matter. Patterns are also present in the fine arts where the aesthetic properties of form exist and conjugate through paintings and sculptures. Mathematical patterns, the focus of this position paper, dominate financial scenarios,…
Descriptors: Graphing Calculators, College Mathematics, Mathematics Instruction, Mathematics
Underwood, Bret; Zhai, Yunxiao – Physics Teacher, 2016
Smartphones and tablets are packed with sensors that allow us to take experimental data, essentially making them mobile physics labs. Apps exist that make it easy to capture and analyze data from these sensors, allowing users to study diverse phenomena such as free fall acceleration, the speed of sound,radioactivity, and many others. Commonly, the…
Descriptors: Handheld Devices, Computer Oriented Programs, Physics, Time
Garino, Claudio; Terenzi, Alessio; Barone, Giampaolo; Salassa, Luca – Journal of Chemical Education, 2016
Among computational methods, DFT (density functional theory) and TD-DFT (time-dependent DFT) are widely used in research to describe, "inter alia," the optical properties of transition metal complexes. Inorganic/physical chemistry courses for undergraduate students treat such methods, but quite often only from the theoretical point of…
Descriptors: Science Instruction, Chemistry, College Science, Undergraduate Study
Bismarck, Stephen F.; Zelkowski, Jeremy; Gleason, Jim – Mathematics Teacher, 2014
Like many commodities, the price of gasoline continues to rise, and these price changes are readily observed in gas stations' signage. Moreover, algebraic methods are well suited to model price change and answer the student's question. Over the course of one ninety-minute block or two forty-five-minute classes, students build functions…
Descriptors: Mathematics Instruction, Prediction, Fuels, Algebra
Boohan, Richard – School Science Review, 2016
"The Language of Mathematics in Science" is an ASE/Nuffield project aimed at supporting teachers of 11-16 science in the use of mathematical ideas in the science curriculum. Two publications have been produced. This article focuses on the first of these, "The Language of Mathematics in Science: A Guide for Teachers of 11-16…
Descriptors: Mathematics, Mathematics Instruction, Mathematics Education, Science Curriculum
Benson, Eric – Journal of Instructional Pedagogies, 2013
The statistical output of interest to most elementary statistics students is the p-value, outputted in computer programs like SPSS, Minitab and SAS. Statistical decisions are sometimes made using these values without understanding the meaning or how these values are calculated. Most elementary statistics textbooks calculates p-values for z-tests…
Descriptors: Teaching Methods, Graphing Calculators, Statistics, Mathematics Instruction
Flores, Alfinio – Mathematics Teacher, 2014
Tossing a fair coin 1000 times can have an unexpected result. In the activities presented here, players keep track of the accumulated total for heads and tails after each toss, noting which player is in the lead or whether the players are tied. The winner is the player who was in the lead for the higher number of turns over the course of the game.…
Descriptors: Mathematics Instruction, Learning Activities, Numbers, Mathematical Concepts
Lu, Yun; Vasko, Francis J.; Drummond, Trevor J.; Vasko, Lisa E. – Mathematics Teacher, 2014
If the prospective students of probability lack a background in mathematical proofs, hands-on classroom activities may work well to help them to learn to analyze problems correctly. For example, students may physically roll a die twice to count and compare the frequency of the sequences. Tools such as graphing calculators or Microsoft Excel®…
Descriptors: Probability, Mathematical Logic, Validity, Heuristics
Walcott, Crystal; Stickles, Paula R. – School Science and Mathematics, 2012
This article summarizes research conducted on calculator block items from the 2007 fourth- and eighth-grade National Assessment of Educational Progress Main Mathematics. Calculator items from the assessment were categorized into two categories: problem-solving items and noncomputational mathematics concept items. A calculator has the potential to…
Descriptors: Mathematics Achievement, National Competency Tests, Problem Solving, Calculators