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Inagaki, Kazuki; Shimizu, Takeshi; Sakairi, Yosuke – Educational Psychology, 2018
This experiment aimed to investigate the effects of seated posture regulation on children's psychological and physiological state and test performance. Thirty-eight boys (mean age: 12.3 ± 0.53 years) participated in both upright and normal posture conditions in a within-participants design. Participants completed a two-dimensional mood scale to…
Descriptors: Human Posture, Psychological Patterns, Metabolism, Mathematics Tests
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Wong, Terry T.-Y.; Ho, Connie S.-H.; Tang, Joey – Journal of Learning Disabilities, 2017
Developmental dyscalculia (DD) is a specific learning disability in mathematics that affects around 6% of the population. Currently, the core deficit of DD remains unknown. While the number sense deficit hypothesis suggests that the core deficit of DD lies in the inability to represent nonsymbolic numerosity, the access deficit hypothesis suggests…
Descriptors: Learning Disabilities, Mathematics Skills, Numeracy, Low Achievement
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Senarat, Somprasong; Tayraukham, Sombat; Piyapimonsit, Chatsiri; Tongkhambanjong, Sakesan – Educational Research and Reviews, 2013
The purpose of this research is to develop a multidimensional computerized adaptive test for diagnosing the cognitive process of grade 7 students in learning algebra by applying multidimensional item response theory. The research is divided into 4 steps: 1) the development of item bank of algebra, 2) the development of the multidimensional…
Descriptors: Foreign Countries, Mathematics Tests, Test Construction, Item Response Theory
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Brouwers, Symen A.; Mishra, Ramesh C.; van de Vijver, Fons J. R. – International Journal of Behavioral Development, 2006
The confounding of chronological and educational age and of schooling and socioeconomic status are persistent problems in the study of the cognitive consequences of schooling. The educational system among the Kharwar in India provides a natural experiment to overcome these problems, since it shows neither source of confounding. The sample…
Descriptors: Age Differences, Factor Structure, Foreign Countries, Cognitive Development