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Download full textRau, Martina A.; Mason, Blake; Nowak, Robert – International Educational Data Mining Society, 2016
To succeed in STEM, students need to learn to use visual representations. Most prior research has focused on conceptual knowledge about visual representations that is acquired via verbally mediated forms of learning. However, students also need perceptual fluency: the ability to rapidly and effortlessly translate among representations. Perceptual…
Descriptors: Models, Learning Processes, STEM Education, Concept Formation
Gonzalez, Barbara L. – 1998
The purpose of this study was to characterize the prior conceptions of molecular structure that organic chemistry students expressed as they learned to interpret nuclear magnetic resonance spectra, and to describe the problem-solving strategies that students employ as they determine molecular structure. The two questions that frame this study…
Descriptors: Chemistry, College Curriculum, Computer Uses in Education, Concept Formation
Nakhleh, Mary B.; Krajcik, Joseph S. – 1991
Within high school chemistry the topic of acids, bases, and pH is particularly challenging because robust understanding of the topic depends heavily on the student possessing deep concepts of atoms, molecules, ions, and chemical reactions. Since knowledge is acquired and stored in a dynamic structure, it was investigated in this study how…
Descriptors: Acids, Chemical Reactions, Chemistry, Cognitive Ability
Hakerem, Gita; And Others – 1993
The Water and Molecular Networks (WAMNet) Project uses graduate student written Reduced Instruction Set Computing (RISC) computer simulations of the molecular structure of water to assist high school students learn about the nature of water. This study examined: (1) preconceptions concerning the molecular structure of water common among high…
Descriptors: Chemistry, Cognitive Development, Computer Assisted Instruction, Computer Simulation
Fellows, Nancy – 1993
To analyze a student's conceptual changes, analyzing transcriptions of writing and verbal statements may not provide enough information. In a study of 25 sixth graders learning about matter and molecules, concept mapping of students' stated ideas was used to analyze the kinds of organizational changes the students made to use new science…
Descriptors: Classroom Observation Techniques, Comparative Analysis, Concept Formation, Concept Mapping
Hakerem, Gita; And Others – 1993
This study reports the efforts of the Water and Molecular Networks Project (WAMNet), a program in which high school chemistry students use computer simulations developed at Boston University (Massachusetts) to model the three-dimensional structure of molecules and the hydrogen bond network that holds water molecules together. This case study…
Descriptors: Case Studies, Chemistry, Computer Assisted Instruction, Computer Simulation
