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Representing Students' Thinking about Nutrient Cycling in Ecosystems: Bidimensional Coding of a Complex Topic.
Peer reviewed Peer reviewed
Hogan, Kathleen; Fisherkeller, JoEllen – Journal of Research in Science Teaching, 1996
Describes the development of a coding scheme that represents students' ideas and its application to the analysis of interviews with urban students (n=8). Results indicate that decomposition is a linchpin concept for building an understanding of nutrient cycling, and ideas which relate to children's natural framework theories provide a generative…
Descriptors: Ecology, Elementary Education, Intermediate Grades, Interviews
An Exploration of the Concept Map as an Interview Tool To Facilitate the Externalization of Students' Understandings about Global Atmospheric Change.
Peer reviewed Peer reviewed
Rye, James A.; Rubba, Peter A. – Journal of Research in Science Teaching, 1998
Investigates the effectiveness of two different types of interviews: one that embeds a concept map, and one that does not embed a concept map in order to elicit post-instructional understandings. Focuses on students' understandings of chlorofluorocarbons and their role in global atmospheric change. Contains 71 references. (DDR)
Descriptors: Chemistry, Cognitive Processes, Concept Formation, Concept Mapping
Why Does It Go Up? The Impact of the MARS Curriculum as Revealed through Changes in Student Explanations of a Helium Balloon.
Peer reviewed Peer reviewed
Raghavan, Kalyani; Sartoris, Mary L.; Glaser, Robert – Journal of Research in Science Teaching, 1998
Reviews research on children's ideas about floating and sinking. Describes the Model-Assisted Reasoning in Science (MARS) project curriculum and student responses to a question about helium balloons. Contains 61 references. (DDR)
Descriptors: Computer Uses in Education, Concept Formation, Elementary Secondary Education, Interviews