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Julia Matthes; Vsevolod Scherrer; Franzis Preckel – Child Development, 2025
Need for cognition (NFC) reflects the tendency to enjoy and engage in cognitive challenges. This study examines the relations between NFC and academic interest among 922 German secondary school students (academic track) assessed four times in Grades 5-7 (initial age M = 10.63, SD = 0.55; 41% female; 90% first language German) in mathematics,…
Descriptors: Secondary School Students, Student Attitudes, Student Interests, Cognitive Processes
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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