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Bivall, Petter; Ainsworth, Shaaron; Tibell, Lena A. E. – Science Education, 2011
This study explored whether adding a haptic interface (that provides users with somatosensory information about virtual objects by force and tactile feedback) to a three-dimensional (3D) chemical model enhanced students' understanding of complex molecular interactions. Two modes of the model were compared in a between-groups pre- and posttest…
Descriptors: Molecular Structure, Science Instruction, Tactual Perception, Educational Technology
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Claesgens, Jennifer; Scalise, Kathleen; Wilson, Mark; Stacy, Angelica – Science Education, 2009
Preliminary pilot studies and a field study show how a generalizable conceptual framework calibrated with item response modeling can be used to describe the development of student conceptual understanding in chemistry. ChemQuery is an assessment system that uses a framework of the key ideas in the discipline, called the Perspectives of Chemists,…
Descriptors: Scoring Rubrics, Chemistry, Item Response Theory, Comprehension
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Stewart, Jim; And Others – Science Education, 1989
Describes an intelligent tutoring system named MENDEL, including problem GENERATOR, TUTOR, student MODELER, ADVISOR, hypothesis CHECKER, and problem SOLVER. This software may be used by high school or university biology students as a tool for learning concepts and problem-solving strategies in transmission genetics. (YP)
Descriptors: Biology, College Science, Computer Assisted Instruction, Computer Software