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Peer reviewedNi, Yujing – Educational Psychology: An International Journal of Experimental Educational Psychology, 2000
Investigates validity of scores derived from the measurement procedure involving number lines by assessing its unique contributions to performance differences in criterion measures of rational number knowledge and skills, including fraction computation, application, and explanation. States that 205 fifth-grade and 208 sixth-grade students…
Descriptors: Educational Research, Elementary Education, Foreign Countries, Fractions
Download full textWachsmuth, Ipke; And Others – 1983
This study was undertaken to gain insights into children's understanding of rational numbers as quantities; that is, the extent to which they associate a size with a fraction like 2/3. Eight children in an experimental group in DeKalb, Illinois, chosen to reflect the range from low to high ability, were observed during 30 weeks of experimental…
Descriptors: Cognitive Processes, Educational Research, Elementary School Mathematics, Fractions
