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Stacey, Kaye – International Group for the Psychology of Mathematics Education, 2005
A longitudinal study of students' developing understanding of decimal notation has been conducted by testing over 3000 students in Grades 4 to 10 up to 7 times. A pencil-and-paper test based on a carefully designed set of decimal comparison items enabled students' responses to be classified into 11 codes and tracked over time. The paper reports on…
Descriptors: Grade 4, Arithmetic, Coding, Longitudinal Studies

Anderson, O. Roger; Botticelli, Steven – Science Education, 1990
Investigated is a reader's ability to comprehend written text that is highly novel with few semantic cues. The theoretical perspective, assessment theory, materials and methods, and the results of this study are discussed. (KR)
Descriptors: Coding, Cognitive Development, Cognitive Processes, Cognitive Structures