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Leikin, Roza; Leikin, Mark; Paz-Baruch, Nurit; Waisman, Ilana; Lev, Miri – High Ability Studies, 2017
In order to achieve the present study's goal--to understand better the phenomenon of mathematical giftedness--we performed a multidimensional examination of the mental processing in students who exhibited mathematical expertise (EM) at the secondary school level. The study included participants from the three groups: students who excelled in…
Descriptors: Academically Gifted, Mathematics Skills, Cognitive Processes, Secondary School Students
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Paz-Baruch, Nurit; Leikin, Roza; Leikin, Mark – Journal for the Education of the Gifted, 2016
Little empirical data are available concerning the cognitive abilities of gifted individuals in general and especially those who excel in mathematics. We examined visual processing abilities distinguishing between general giftedness (G) and excellence in mathematics (EM). The research population consisted of 190 students from four groups of 10th-…
Descriptors: Academically Gifted, Adolescents, Visual Perception, Cognitive Ability
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Gillen-O'Neel, Cari; Huynh, Virginia W.; Fuligni, Andrew J. – Child Development, 2013
This longitudinal study examined how nightly variations in adolescents' study and sleep time are associated with academic problems on the following day. Participants ("N" = 535, 9th grade M[subscript age] = 14.88) completed daily diaries every day for 14 days in 9th, 10th, and 12th grades. Results suggest that regardless of how much a…
Descriptors: Longitudinal Studies, Sleep, Adolescents, Diaries
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Mikk, Jaan – Educational Studies, 2008
The cognitive load theory recommendations for enhancing the success of teaching are effective up to a certain boundary. The paper is dedicated to finding this boundary line in sentence length for 17-18-year-old students. The students filled in the blanks in 30 cloze tests. The cloze test results were correlated with the percentage of sentences…
Descriptors: Reading Comprehension, Sentences, Test Results, Cognitive Processes
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Leighton, Jacqueline P.; Cui, Ying; Cor, M. Ken – Applied Measurement in Education, 2009
The objective of the present investigation was to compare the adequacy of two cognitive models for predicting examinee performance on a sample of algebra I and II items from the March 2005 administration of the SAT[TM]. The two models included one generated from verbal reports provided by 21 examinees as they solved the SAT[TM] items, and the…
Descriptors: Test Items, Inferences, Cognitive Ability, Prediction