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Rani, Narbda; Mishra, Vinod – International Journal of Mathematical Education in Science and Technology, 2022
This paper contains interesting facts regarding the powers of odd ordered special circulant magic squares along with their magic constants. It is shown that we always obtain circulant semi-magic square and special circulant magic square in the case of even and odd positive integer powers of these magic squares respectively. These magic squares…
Descriptors: Numbers, Mathematical Logic, Mathematics Education, Mathematical Concepts
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Olvera Astivia, Oscar L. – Measurement: Interdisciplinary Research and Perspectives, 2021
Partially specified correlation matrices (not to be confused with matrices with missing data or EM-correlation matrices) can appear in research settings such as integrative data analyses, quantitative systematic reviews or whenever the study design only allows for the collection of certain variables. Although approaches to fill in these missing…
Descriptors: Correlation, Matrices, Statistical Analysis, Research Problems
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Beauducel, André; Hilger, Norbert – Educational and Psychological Measurement, 2021
Methods for optimal factor rotation of two-facet loading matrices have recently been proposed. However, the problem of the correct number of factors to retain for rotation of two-facet loading matrices has rarely been addressed in the context of exploratory factor analysis. Most previous studies were based on the observation that two-facet loading…
Descriptors: Factor Analysis, Statistical Analysis, Correlation, Models
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Liu, Jin; Perera, Robert A.; Kang, Le; Sabo, Roy T.; Kirkpatrick, Robert M. – Journal of Educational and Behavioral Statistics, 2022
This study proposes transformation functions and matrices between coefficients in the original and reparameterized parameter spaces for an existing linear-linear piecewise model to derive the interpretable coefficients directly related to the underlying change pattern. Additionally, the study extends the existing model to allow individual…
Descriptors: Longitudinal Studies, Statistical Analysis, Matrices, Mathematics
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Mynott, John Paul; O'Reilly, Stephanie Elizabeth Margaret – International Journal for Lesson and Learning Studies, 2022
Purpose: Lesson study (LS) is a collaborative form of action research. Collaboration is central to LS methodology, therefore exploring and expanding the understanding of the collaborative features that occur in LS is a priority. This paper explores the features of collaboration in existing publications on LS to consider if, as Quaresma (2020)…
Descriptors: Communities of Practice, Teacher Collaboration, Matrices, Publications
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Hô, Minhhuy; Alday Toledo, León Francisco; Bernal-Jaquez, Roberto – Journal of Chemical Education, 2020
In this article, we show a "very" simple algorithm for the evaluation of the character tables applicable to all finite point groups. The method uses linear combinations of the symmetry operators associated with the point group's classes as the basis set. Eigenvectors of the resulting matrix of such representations are related to the…
Descriptors: Computation, Mathematics, Tables (Data), Chemistry
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Oliveira Moraes, Laura; Pedreira, Carlos Eduardo – IEEE Transactions on Learning Technologies, 2021
Manually determining concepts present in a group of questions is a challenging and time-consuming process. However, the process is an essential step while modeling a virtual learning environment since a mapping between concepts and questions using mastery level assessment and recommendation engines is required. In this article, we investigated…
Descriptors: Computer Science Education, Semantics, Coding, Matrices
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Petersen, Julie M.; Barrett, Malcolm; Ahrens, Katherine A.; Murray, Eleanor J.; Bryant, Allison S.; Hogue, Carol J.; Mumford, Sunni L.; Gadupudi, Salini; Fox, Matthew P.; Trinquart, Ludovic – Research Synthesis Methods, 2022
Systematic reviews and meta-analyses are essential for drawing conclusions regarding etiologic associations between exposures or interventions and health outcomes. Observational studies comprise a substantive source of the evidence base. One major threat to their validity is residual confounding, which may occur when component studies adjust for…
Descriptors: Bias, Meta Analysis, Etiology, Intervention
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Bergmann, Samantha; Van Den Elzen, Gabriella; Kodak, Tiffany; Niland, Haven; Dawson, Desiree – Analysis of Verbal Behavior, 2022
Recombinative generalization is the production of responses in the presence of novel combinations of known components. For example, after learning "red triangle" and "blue square," recombinative generalization is observed when a child can tact "red square" and "blue triangle." Recombinative generalization…
Descriptors: Autism, Pervasive Developmental Disorders, Generalization, Matrices
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Andriunas, R.; Boyle, B.; Lazowski, A. – PRIMUS, 2022
This paper discusses a project for linear algebra instructors interested in a concrete, geometric application of matrix diagonalization. The project provides a theorem concerning a nested sequence of tetrahedrons and scaffolded questions for students to work through a proof. Along the way students learn content from three-dimensional geometry and…
Descriptors: Algebra, Geometry, Matrices, Mathematics Instruction
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Garcia, Stephan Ramon; Horn, Roger A. – PRIMUS, 2020
Linear algebra is best done with block matrices. As evidence in support of this thesis, we present numerous examples suitable for classroom presentation.
Descriptors: Mathematics Instruction, Algebra, Teaching Methods, Matrices
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Carmody, Emily; Stauch, Tiffany – Journal of Behavioral Education, 2022
Children with autism spectrum disorder often lack fundamental play skills, which can aid development with social, language, and imitation skills (Boutot et al. 2005). The purpose of this study was to extend the previous literature that successfully combined video modeling and matrix training. Matrix training is an efficient way of teaching that…
Descriptors: Autism Spectrum Disorders, Play, Skill Development, Preschool Children
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Shamsir, Mohd Shahir; Krauss, Steven Eric; Ismail, Ismi Arif; Ab Jalil, Habibah; Johar, Muhammad Akmal; Abdul Rahman, Ismail – Higher Education Policy, 2022
Managing education and research during pandemics has increased in importance since the onset of epidemics such as avian flu, SARS and now COVID-19. Successful management in times of crisis ensures business continuity and institutional survival, making preparedness preceding an impending pandemic essential. Institutions of higher education (IHEs)…
Descriptors: COVID-19, Pandemics, Communicable Diseases, Higher Education
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Goswami, Sukalyan; Mukherjee, Kuntal – International Journal of Web-Based Learning and Teaching Technologies, 2020
Virtual resources team up to create a computational grid, which is used in computation-intensive problem solving. A majority of these problems require high performance resources to compute and generate results, making grid computation another type of high performance computing. The optimization in computational grids relates to resource…
Descriptors: Mathematics, Scheduling, Computation, Resources
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Clements, Andrea; Fisher, Wayne W.; Keevy, Madeleine – Journal of Applied Behavior Analysis, 2021
Children with autism spectrum disorder (ASD) have difficulty generalizing from directly trained responses to untrained responses (i.e., emergent responding). In this study, we used a chain prompt combined with matrix training to teach 2 participants with ASD to tact 192 three-digit numerals. We used a multiple-baseline design across matrices to…
Descriptors: Children, Autism, Pervasive Developmental Disorders, Prompting
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