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Longitudinal Associations between Academic Descriptive and Injunctive Norms and Adolescent Achievement
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Duong, Mylien T.; Badaly, Daryaneh; Ross, Alexandra C.; Schwartz, David – Merrill-Palmer Quarterly: Journal of Developmental Psychology, 2021
Previous research has shown that adolescent peer groups play a role in maintaining and exacerbating demographic differences in achievement. However, there is still limited knowledge about the malleable factors that contribute to these achievement disparities. This short-term longitudinal study examined one such malleable factor--namely, perceived…
Descriptors: Longitudinal Studies, Correlation, Peer Influence, Academic Achievement
To Study or to Sleep? The Academic Costs of Extra Studying at the Expense of Sleep
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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