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Direct linkPark, Yunji; Cho, Soohyun – Educational Psychology, 2017
The present study examined the developmental change in number and length acuities and their respective relationship with achievement in various domains of mathematics in second vs. fourth graders. Length acuity was measured with a comparison task, in which participants were asked to choose the longer between a pair of lines. Number acuity was…
Descriptors: Developmental Stages, Elementary School Students, Mathematics Achievement, Correlation
