The purpose of this study was to determine the relationship between the basic concepts related to the unit of "Chemical Reactions and Energy" and the sub-concepts underlying for meaningful learning of the unit and to investigate the effectiveness of them on students' learning achievements. For this purpose, the basic concepts of the unit…

In many schools, standardized tests are used to determine school effectiveness in instruction. School districts spend money, implement research, and look for new ways to improve on these metrics of academic achievement. Researchers have shown that athletic participation has helped to lead to academic success at a macro level; however less is known…

The study analyzed 2005 posttest data compared to 2008 posttest data to determine student end of school year academic achievement outcomes across three academic levels (above average, average, and below average chemistry potential) and two teacher homework evaluation methods (assigned but not graded and assigned and graded) on teacher prepared…