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Stieff, Mike; Origenes, Andrea; DeSutter, Dane; Lira, Matthew; Banevicius, Lukas; Tabang, Dylan; Cabel, Gervacio – Journal of Educational Psychology, 2018
Spatial ability predicts success in STEM (Science, Technology, Education, and Mathematics) fields, particularly chemistry. This paper reports two studies investigating the unique contribution of mental rotation ability to spatial thinking in a STEM discipline. Using authentic disciplinary tasks from chemistry, we show that the difficulty of a…
Descriptors: Cognitive Processes, STEM Education, Spatial Ability, Chemistry
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Matsuda, Noboru; Yarzebinski, Evelyn; Keiser, Victoria; Raizada, Rohan; Cohen, William W.; Stylianides, Gabriel J.; Koedinger, Kenneth R. – Journal of Educational Psychology, 2013
This article describes an advanced learning technology used to investigate hypotheses about learning by teaching. The proposed technology is an instance of a teachable agent, called SimStudent, that learns skills (e.g., for solving linear equations) from examples and from feedback on performance. SimStudent has been integrated into an online,…
Descriptors: Intelligent Tutoring Systems, Tutor Training, Computer Simulation, Artificial Intelligence
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Stull, Andrew T.; Hegarty, Mary – Journal of Educational Psychology, 2016
This study investigated the development of representational competence among organic chemistry students by using 3D (concrete and virtual) models as aids for teaching students to translate between multiple 2D diagrams. In 2 experiments, students translated between different diagrams of molecules and received verbal feedback in 1 of the following 3…
Descriptors: Models, Organic Chemistry, Science Instruction, Skill Development
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Lee, Hyunjeong; Plass, Jan L.; Homer, Bruce D. – Journal of Educational Psychology, 2006
How can cognitive load in visual displays of computer simulations be optimized? Middle-school chemistry students (N = 257) learned with a simulation of the ideal gas law. Visual complexity was manipulated by separating the display of the simulations in two screens (low complexity) or presenting all information on one screen (high complexity). The…
Descriptors: Cognitive Processes, Visual Aids, Computer Simulation, Middle School Students