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Prospective and In-Service Teachers' Perspectives about Launching a Problem
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González, Gloriana; Eli, Jennifer A. – Journal of Mathematics Teacher Education, 2017
Launching a problem is critical in a problem-based lesson. We investigated teachers' perspectives on the use of a problem that was analogous to the one provided during a launch. Our goal was to identify teachers' underlying assumptions regarding what should constitute a launch as elements of the "practical rationality of mathematics…
Descriptors: Mathematics Instruction, Problem Based Learning, Problem Solving, Teaching Methods
Learning Using Dynamic and Static Visualizations: Students' Comprehension, Prior Knowledge and Conceptual Status of a Biotechnological Method
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Yarden, Hagit; Yarden, Anat – Research in Science Education, 2010
The importance of biotechnology education at the high-school level has been recognized in a number of international curriculum frameworks around the world. One of the most problematic issues in learning biotechnology has been found to be the biotechnological methods involved. Here, we examine the unique contribution of an animation of the…
Descriptors: Animation, Prior Learning, Biotechnology, Grade 12
"High 5!" Strategies to Enhance Comprehension of Expository Text
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Dymock, Susan; Nicholson, Tom – Reading Teacher, 2010
This article reviews theoretical and research evidence to support the explicit and systematic teaching of five comprehension strategies that will help all students tackle expository texts with success. The article explains the "High 5!" strategies and how to teach them. An example of a lesson is included to show how the five strategies connect…
Descriptors: Inferences, Reading Instruction, Teaching Methods, Reading Comprehension
Contextualising Nanotechnology in Chemistry Education
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O'Connor, Christine; Hayden, Hugh – Chemistry Education Research and Practice, 2008
In recent years nanotechnology has become part of the content of many undergraduate chemistry and physics degree courses. This paper deals with the role of contextualisation of nanotechnology in the delivery of the content, as nanotechnology is only now being slowly integrated into many chemistry degree courses in Ireland and elsewhere. An…
Descriptors: Foreign Countries, Chemistry, Science Instruction, Interdisciplinary Approach
External and Internal Representations in the Acquisition and Use of Knowledge: Visualization Effects on Mental Model Construction
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Schnotz, Wolfgang; Kurschner, Christian – Instructional Science: An International Journal of the Learning Sciences, 2008
This article investigates whether different formats of visualizing information result in different mental models constructed in learning from pictures, whether the different mental models lead to different patterns of performance in subsequently presented tasks, and how these visualization effects can be modified by further external…
Descriptors: Prior Learning, Visualization, Models, Performance
The Effect of Varied Cueing Strategies in Complementing Animated Visual Imagery in Facilitating Achievement of Different Educational Objectives
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Owens, Russ; Dwyer, Francis – International Journal of Instructional Media, 2005
The purpose of this study is to investigate the effectiveness of varied visual cueing strategies, used to complement animation, on cognitive processing and achievement of specific educational objectives. An instructional heart material was utilized in this study. Four criterion tests were used in this study, namely: (1) Drawing Test; (2)…
Descriptors: Educational Objectives, Item Analysis, Animation, Cues