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Raufelder, Diana; Sahabandu, Diomira; Martínez, Guadalupe Sánchez; Escobar, Victoria – Educational Psychology, 2015
It is well known that teachers frequently observe a decline in the scholastic motivation of many adolescent students, which in turn is often associated with a decline in students' individual school self-concept. In contrast, less is known about the association between students' individual school self-concept and school engagement, or the related…
Descriptors: Foreign Countries, Middle School Students, Grade 7, Grade 8
Kruger, Dirk; Fleige, Jennifer; Riemeier, Tanja – Journal of Biological Education, 2006
The study presents the frequencies of students' conceptions of growth and cell division before and after one hour of instruction. The investigation supplements qualitative results by directing attention to those conceptions which might occur most frequently to students: teachers can then concentrate their preparation on practical requirements. A…
Descriptors: Investigations, Scientific Concepts, Grade 9, Questionnaires

Trautwein, Ulrich; Koller, Olaf; Baumert, Jurgen – Zeitschrift fur Padagogik, 2001
Analyzes a subsample of the study, "Learning Processes, Educational Careers, and Psychosocial Development in Adolescence and Young Adulthood," to examine the impact of homework. Focuses on German seventh-grade students (n=2123) in 132 classes. Reports that homework frequency had a positive effect on mathematics achievement. (CMK)
Descriptors: Adolescent Development, Adolescents, Educational Research, Foreign Countries