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Carle, Myriam S.; Visser, Rebecca; Flynn, Alison B. – Chemistry Education Research and Practice, 2020
We developed an online learning module called ''Organic Mechanisms: Mastering the Arrows'' to help students learn part of organic chemistry's language--the electron-pushing formalism. The module guides students to learn and practice the electron-pushing formalism using a combination of interactive videos, questions with instant feedback, and…
Descriptors: Science Instruction, Organic Chemistry, Open Educational Resources, Pretests Posttests
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Beese, Jane; Liang, Xin – Improving Schools, 2010
The "PISA 2006 Science Literacy Assessment" results report Finland as the first ranked country out of the 30 developed nations that participated in the testing (Organization for Economic Cooperation and Development, 2007). The United States was ranked 21st. Closer examination of school and student variables may help explain these…
Descriptors: Teacher Effectiveness, Socioeconomic Status, Science Achievement, Teacher Qualifications
Martin, Michael O.; Mullis, Ina V. S.; Foy, Pierre; Stanco, Gabrielle M. – International Association for the Evaluation of Educational Achievement, 2012
For more than 50 years, the International Association for the Evaluation of Educational Achievement (IEA) has been conducting comparative studies of educational achievement in a number of curriculum areas, including mathematics and science. TIMSS 2011 represents the fifth cycle of the Trends in International Mathematics and Science Study (TIMSS),…
Descriptors: Science Achievement, Comparative Education, Educational Trends, Trend Analysis