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Showing 91 to 105 of 276 results Save | Export
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Mang, Julia; Küchenhoff, Helmut; Meinck, Sabine; Prenzel, Manfred – Large-scale Assessments in Education, 2021
Background: Standard methods for analysing data from large-scale assessments (LSA) cannot merely be adopted if hierarchical (or multilevel) regression modelling should be applied. Currently various approaches exist; they all follow generally a design-based model of estimation using the pseudo maximum likelihood method and adjusted weights for the…
Descriptors: Sampling, Hierarchical Linear Modeling, Simulation, Scaling
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Mensah, Alfred; Morabe, Olebogeng Nicodimus – African Journal of Research in Mathematics, Science and Technology Education, 2018
Previous research on students' difficulties in learning chemical equilibrium has shown that students hold misconceptions about this topic, and this often results in unintended learning. However, recent developments in human learning from the behavioural sciences perspective indicate that students' difficulties in learning are much more than…
Descriptors: Foreign Countries, Grade 12, Chemistry, Problem Solving
Yoon, HyeonJin – Grantee Submission, 2018
In basic regression discontinuity (RD) designs, causal inference is limited to the local area near a single cutoff. To strengthen the generality of the RD treatment estimate, a design with multiple cutoffs along the assignment variable continuum can be applied. The availability of multiple cutoffs allows estimation of a pooled average treatment…
Descriptors: Regression (Statistics), Program Evaluation, Computation, Statistical Analysis
Yoon, HyeonJin – ProQuest LLC, 2018
In basic regression discontinuity (RD) designs, causal inference is limited to the local area near a single cutoff. To strengthen the generality of the RD treatment estimate, a design with multiple cutoffs along the assignment variable continuum can be applied. The availability of multiple cutoffs allows estimation of a pooled average treatment…
Descriptors: Regression (Statistics), Program Evaluation, Computation, Statistical Analysis
Dorie, Vincent; Hill, Jennifer; Shalit, Uri; Scott, Marc; Cervone, Daniel – Grantee Submission, 2018
Statisticians have made great progress in creating methods that reduce our reliance on parametric assumptions. However this explosion in research has resulted in a breadth of inferential strategies that both create opportunities for more reliable inference as well as complicate the choices that an applied researcher has to make and defend.…
Descriptors: Statistical Inference, Simulation, Causal Models, Research Methodology
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Debnath, Lokenath – International Journal of Mathematical Education in Science and Technology, 2012
This article deals with a brief biographical sketch of Joseph Fourier, his first celebrated work on analytical theory of heat, his first great discovery of Fourier series and Fourier transforms. Included is a historical development of Fourier series and Fourier transforms with their properties, importance and applications. Special emphasis is made…
Descriptors: Physics, Equations (Mathematics), Foreign Countries, Probability
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Kachapova, Farida; Kachapov, Ilias – International Journal of Mathematical Education in Science and Technology, 2012
Research on teaching high school mathematics shows that the topic of percentages often causes learning difficulties. This article describes a method of teaching percentages that the authors used in university bridging courses. In this method, the information from a word problem about percentages is presented in a two-way table. Such a table gives…
Descriptors: Logical Thinking, Learning Problems, Word Problems (Mathematics), Mathematics
Ninness, Chris; Rumph, Robin; McCuller, Glen; Harrison, Carol; Ford, Angela M.; Ninness, Sharon K. – Journal of Applied Behavior Analysis, 2005
Following a pretest, 11 participants who were naive with regard to various algebraic and trigonometric transformations received an introductory lecture regarding the fundamentals of the rectangular coordinate system. Following the lecture, they took part in a computer-interactive matching-to-sample procedure in which they received training on…
Descriptors: Computation, Graphs, Error Patterns, Algebra
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Kontomaris, Stylianos-Vasileios; Malamou, Anna – Physics Education, 2016
An interesting problem in fluid mechanics, with significant educational importance, is the classic hydrostatic paradox. The hydrostatic paradox states the fact that in different shaped containers, with the same base area, which are filled with a liquid of the same height, the applied force by the liquid on the base of each container is exactly the…
Descriptors: Secondary Education, Comparative Analysis, Physics, Undergraduate Students
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Rossato, Mateus; Dellagrana, Rodolfo André; da Costa, Rafael Martins; de Souza Bezerra, Ewertton; dos Santos, João Otacílio Libardoni; Rech, Cassiano Ricardo – Journal of Applied Research in Intellectual Disabilities, 2018
Background: The aim of this study was to verify the accuracy of anthropometric equations to estimate the body density (BD) of adults with Down syndrome (DS), and propose new regression equations. Materials and methods: Twenty-one males (30.5 ± 9.4 years) and 17 females (27.3 ± 7.7 years) with DS participated in this study. The reference method for…
Descriptors: Adults, Down Syndrome, Body Composition, Accuracy
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Muth, Chelsea; Bales, Karen L.; Hinde, Katie; Maninger, Nicole; Mendoza, Sally P.; Ferrer, Emilio – Educational and Psychological Measurement, 2016
Unavoidable sample size issues beset psychological research that involves scarce populations or costly laboratory procedures. When incorporating longitudinal designs these samples are further reduced by traditional modeling techniques, which perform listwise deletion for any instance of missing data. Moreover, these techniques are limited in their…
Descriptors: Sample Size, Psychological Studies, Models, Statistical Analysis
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Codina, A.; Cañadas, M. C.; Castro, E. – Electronic Journal of Research in Educational Psychology, 2015
Introduction: The macroscopic perspective is one of the frameworks for research on problem solving in mathematics education. Coming from this perspective, our study addresses the stages of thought in mathematical problem solving, offering an innovative approach because we apply sequential relations and global interrelations between the different…
Descriptors: Problem Solving, Mathematics Instruction, Sequential Approach, Observation
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Dunn, Peter – Journal of Computers in Mathematics and Science Teaching, 2008
Quality encompasses a very broad range of ideas in learning materials, yet the accuracy of the content is often overlooked as a measure of quality. Various aspects of accuracy are briefly considered, and the issue of computational accuracy is then considered further. When learning materials are produced containing the results of mathematical…
Descriptors: Appropriate Technology, Educational Quality, Instructional Materials, Computation
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Struyf, Jef – Journal of Chemical Education, 2011
The boiling point of a monofunctional organic compound is expressed as the sum of two parts: a contribution to the boiling point due to the R group and a contribution due to the functional group. The boiling point in absolute temperature of the corresponding RH hydrocarbon is chosen for the contribution to the boiling point of the R group and is a…
Descriptors: Organic Chemistry, Mathematical Formulas, Demonstrations (Educational), Investigations
Falloon, Garry – Teaching and Learning Research Initiative, 2017
Despite successive waves of technological innovation being rapidly adopted by schools, teaching methods and curriculum designs have been slow to evolve in response to the affordances offered by an increasing array of digital devices. This project explored student thinking, problem solving and collaboration when using digital tablets (iPads) for a…
Descriptors: Educational Technology, Technology Uses in Education, Handheld Devices, Telecommunications
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