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Bempeni, Maria; Poulopoulou, Stavroula; Tsiplaki, Ioanna; Vamvakoussi, Xenia – Online Submission, 2018
We constructed and calibrated an instrument targeting conceptual and procedural fraction knowledge. We used this instrument in a quantitative study with 126 secondary students (7th and 9th graders), testing the hypothesis that there are individual differences in the way students combine the two types of knowledge. Cluster analysis revealed four…
Descriptors: Individual Differences, Fractions, Mathematics Skills, Secondary School Students
Sahin, Ertugrul; Barut, Yasar; Ersanli, Ercüment – Online Submission, 2013
This study examined the effects of gender, age, grade level, and the educational level of the mother and father on social appearance anxiety in Turkish adolescents. This was a cross-sectional study in which a simple random sampling method was used. Participants were 2,219 adolescents (1089 boys, 1130 girls) with a mean age of 12.76 years old (SD =…
Descriptors: Gender Differences, Age Differences, Educational Attainment, Mothers