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Amir, Ruth; Tamir, Pinchas – 1991
The use and analysis of student generated propositions linking two scientific concepts (photosynthesis and respiration) were examined before and after the study of photosynthesis. A proposition-generating task (PGT) was used as a diagnostic tool to indicate student misconceptions and partial understandings. Focus was on determining: how the nature…
Descriptors: Biology, Comparative Analysis, Concept Formation, Concept Teaching