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Chang Xu; Hongxia Li; Sabrina Di Lonardo Burr; Jiwei Si; Jo-Anne LeFevre; Xinfeng Zhuo – Journal of Cognition and Development, 2024
Students' understanding of the meaning of the equal sign develops slowly over the primary grades. In addition to updating their representations of equations to recognize that the equal sign represents an equivalence relation rather than signaling an operation, students need to move beyond full computation to efficiently solve equivalence problems.…
Descriptors: Mathematics Achievement, Grade 3, Grade 4, Elementary School Students
Sun, Sumin; Schweizer, Karl; Ren, Xuezhu – Journal of Cognition and Development, 2019
This study examined whether there is a developmental difference in the emergence of an item-position effect in intelligence testing. The item-position effect describes the dependency of the item's characteristics on the positions of the items and is explained by learning. Data on fluid intelligence measured by Raven's Standard Progressive Matrices…
Descriptors: Intelligence Tests, Test Items, Difficulty Level, Short Term Memory
Wong, Terry Tin-Yau; Ho, Connie Suk-Han; Tang, Joey – Journal of Cognition and Development, 2016
The current study aimed at addressing two issues concerning children's estimation performance: (1) to investigate whether the log-to-linear framework or the proportional judgment framework provided a better explanation of children's estimation patterns, and (2) to examine the consistency of response patterns in different estimation tasks. A sample…
Descriptors: Task Analysis, Guidelines, Responses, Arithmetic