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Do Students Use And Understand Free-Body Diagrams?, David Rosengrant, Alan Van Heuvelen, Eugenia Etkina
Do Students Use And Understand Free-Body Diagrams?, David Rosengrant, Alan Van Heuvelen, Eugenia Etkina
David Rosengrant
Physics education literature recommends using multiple representations to help students understand concepts and solve problems. However, there is little research concerning why students use the representations and whether those who use them are more successful. This study addresses these questions using free-body diagrams (diagrammatic representations used in problems involving forces) as a type of representation. We conducted a two-year quantitative and qualitative study of students’ use of free-body diagrams while solving physics problems. We found that when students are in a course that consistently emphasizes the use of free-body diagrams, the majority of them do use diagrams on their own …