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Download full textSigrest, Christine E. – 1992
A study assessed the effectiveness of three cognitive levels of instruction with first graders--three-dimensional (3-D) instruction using real objects, two-dimensional (2-D) instruction using picture representations, and verbal instruction. The study population included 18 first-grade students between the ages of 6 and 8 at a small elementary city…
Descriptors: Cognitive Processes, Comparative Analysis, Concept Formation, Elementary School Students
