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Direct linkJackson, Benjamin A.; Harshman, Jordan; Miliordos, Evangelos – Journal of Chemical Education, 2020
The concept of an atom with an expanded octet, known as hypervalency, has persisted in the general chemistry curriculum, despite abundant theoretical work disputing its veracity. Here, the electronic structure of traditionally hypervalent molecules (H[subscript 2]SO[subscript 3], H[subscript 2]SO[subscript 4], PF[subscript 5], and SF[subscript 6])…
Descriptors: Chemistry, Molecular Structure, Science Instruction, Scientific Concepts
Download full textAndrew Kercher; Canan Günes; Rina Zazkis – North American Chapter of the International Group for the Psychology of Mathematics Education, 2023
Extant research has demonstrated that problem-posing and problem-solving mutually affect one another. However, the exact nature and extent of this relationship requires a detailed elaboration. This is especially true when adidactical problem-posing arises within a problem-solving context. In this study, we analyze the scripting journey used by two…
Descriptors: Undergraduate Students, Preservice Teachers, Preservice Teacher Education, Problem Solving
Hall, Stacey; Phang, Sen Han; Schaefer, Jeffrey P.; Ghali, William; Wright, Bruce; McLaughlin, Kevin – Advances in Health Sciences Education, 2014
Although the process of diagnosing invariably begins with a heuristic, we encourage our learners to support their diagnoses by analytical cognitive processes, such as Bayesian reasoning, in an attempt to mitigate the effects of heuristics on diagnosing. There are, however, limited data on the use ± impact of Bayesian reasoning on the accuracy of…
Descriptors: Computation, Probability, Pretests Posttests, Heuristics
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
Carruthers, Sarah; Masson, Michael E. J.; Stege, Ulrike – Journal of Problem Solving, 2012
Recent studies on a computationally hard visual optimization problem, the Traveling Salesperson Problem (TSP), indicate that humans are capable of finding close to optimal solutions in near-linear time. The current study is a preliminary step in investigating human performance on another hard problem, the Minimum Vertex Cover Problem, in which…
Descriptors: Performance, Problem Solving, Graphs, Mathematics
Kommers, Piet, Ed.; Viana, Adriana Backx Noronha, Ed.; Issa, Tomayess, Ed.; Isaías, Pedro, Ed. – International Association for Development of the Information Society, 2020
These proceedings contain the papers of the 7th International Conference on Educational Technologies 2020 (ICEduTech 2020), which has been organised by the International Association for Development of the Information Society and co-organised by the University of São Paulo ("Universidade de São Paulo"), Brazil, from 5 to 7 February 2020.…
Descriptors: Cognitive Style, Handheld Devices, Telecommunications, Graduate Students
Yalamova, Rossitsa – American Journal of Business Education, 2010
A heuristic approach to explaining of the Black-Scholes option pricing model in undergraduate classes is described. The approach draws upon the method of protocol analysis to encourage students to "think aloud" so that their mental models can be surfaced. It also relies upon extensive visualizations to communicate relationships that are…
Descriptors: Heuristics, Models, Teaching Methods, Undergraduate Students
Goos, Merrilyn, Ed.; Brown, Ray, Ed.; Makar, Katie, Ed. – Mathematics Education Research Group of Australasia, 2008
This document presents the proceedings of the 31st Annual Conference of the Mathematics Education Research Group of Australasia (MERGA). The theme of this conference is "Navigating Currents and Charting Directions." The theme reminds us that, although we are constantly pushed to account for the quality and impact of our research, we…
Descriptors: Feedback (Response), Constructivism (Learning), Educational Development, Practicums
