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Download full textHerrmann-Abell, Cari F.; Flanagan, Jean C.; Roseman, Jo Ellen – Online Submission, 2012
Students often have trouble understanding key biology ideas because they lack an understanding of foundational chemistry ideas. AAAS Project 2061 is collaborating with BSCS in the development a curriculum unit that connects core chemistry and biochemistry ideas in order to help eighth grade students build the conceptual foundation needed for high…
Descriptors: Chemistry, Biochemistry, Science Curriculum, Middle School Students
Akilli, Mustafa – Online Submission, 2015
The aim of this study is to demonstrate the science success regression levels of chosen emotional features of 8th grade students using Structural Equation Model. The study was conducted by the analysis of students' questionnaires and science success in TIMSS 2011 data using SEM. Initially, the factors that are thought to have an effect on science…
Descriptors: Regression (Statistics), Science Achievement, Structural Equation Models, Secondary School Science
Antonijevic, Radovan – Online Submission, 2006
The paper considers the main results and some educational implications of the TIMSS 2003 assessment conducted in Serbia in the fields of the science achievement of Serbian eighth grade students and the science curriculum context of their achievement. There were 4264 students in the sample. It was confirmed that Serbian eighth graders had made…
Descriptors: Foreign Countries, Grade 8, Science Achievement, Science Curriculum
