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Rauschenberger, Matthew M.; Sweeder, Ryan D. – Biochemistry and Molecular Biology Education, 2010
This study examined the historical performance of students at Michigan State University in a two-part biochemistry series Biochem I (n = 5,900) and Biochem II (n = 5,214) for students enrolled from 1997 to 2009. Multiple linear regressions predicted 54.9-87.5% of the variance in student from Biochem I grade and 53.8-76.1% of the variance in…
Descriptors: Majors (Students), College Students, Grade Point Average, Organic Chemistry
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Susman, Elizabeth J.; Dockray, Samantha; Schiefelbein, Virginia L.; Herwehe, Suellen; Heaton, Jodi A.; Dorn, Lorah D. – Developmental Psychology, 2007
The relationship between morningness/eveningness (M/E) and morning-to-afternoon cortisol ratio, pubertal timing, and antisocial behavior was examined in 111 girls and boys ages 8 to 13 years. Cortisol levels showed a significant increase after awakening and declined thereafter (p less than .05). Eveningness was related to a composite measure of…
Descriptors: Females, Behavior Problems, Males, Antisocial Behavior