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Direct linkSkagerlund, Kenny; Träff, Ulf – Journal of Learning Disabilities, 2016
This study investigated if developmental dyscalculia (DD) in children with different profiles of mathematical deficits has the same or different cognitive origins. The defective approximate number system hypothesis and the access deficit hypothesis were tested using two different groups of children with DD (11-13 years old): a group with…
Descriptors: Learning Disabilities, Cognitive Ability, Number Concepts, Mathematics Skills
McMullen, Jake; Hannula-Sormunen, Minna M.; Laakkonen, Eero; Lehtinen, Erno – Journal of Educational Psychology, 2016
Many people have serious difficulties in understanding rational numbers, limiting their ability to interpret and make use of them in modern daily life. This also leads to later difficulties in learning more advanced mathematical content. In this study, novel tasks are used to measure 263 late primary school students' spontaneous focusing on…
Descriptors: Numbers, Mathematical Concepts, Elementary School Students, Predictor Variables
Peer reviewedLongstreth, Langdon E.; Madigan, Stephen – Intelligence, 1982
Three studies of college students found a sex difference in the correlation of memory scanning rate, short- and long-term components of free recall, and word recognition with memory span. Findings are discussed in terms of prior work and a theory presented to account for the obtained sex differences. (Author/RD)
Descriptors: Cognitive Processes, Correlation, Higher Education, Intelligence Differences
