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Romberg, Thomas A.; And Others – 1982
Data are reported for the classroom observational portion of a cross-sectional study conducted in Tasmania, Australia to examine the acquisition and development of addition and subtraction skills in young children. During the study, a group of students in grades l, 2, and 3 who differed in cognitive processing skills were observed during…
Descriptors: Addition, Classroom Observation Techniques, Cognitive Processes, Cross Sectional Studies