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Lapanantnoppakhun, Somchai; Tengjaroensakul, Urai; Mungkornasawakul, Pitchaya; Puangpila, Chanida; Kittiwachana, Sila; Saengtempiam, Jeeraphithak; Hartwell, Supaporn Kradtap – Journal of Chemical Education, 2020
A green chemistry experiment is presented for teaching an undergraduate quantitative analysis/analytical chemistry laboratory class through the use of black tea leaf extract for the determination of iron in supplement tablets. Dried tea leaf is a safe, low cost, and widely available source of natural extract that can be used in place of more toxic…
Descriptors: Chemistry, Science Experiments, Spectroscopy, College Science
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Buchanan, Taylor L.; Lohse, Keith R. – Measurement in Physical Education and Exercise Science, 2016
We surveyed researchers in the health and exercise sciences to explore different areas and magnitudes of bias in researchers' decision making. Participants were presented with scenarios (testing a central hypothesis with p = 0.06 or p = 0.04) in a random order and surveyed about what they would do in each scenario. Participants showed significant…
Descriptors: Researchers, Attitudes, Statistical Significance, Bias
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Rice, Stephen; Trafimow, David – Higher Education Studies, 2012
For years, researchers and academics have known that American students perform more poorly on average compared to students from some other countries, including India. The usual explanation is that some systematic factor (e.g. knowledge, skill set, test-taking ability, etc.) is responsible for the differences. The current study examines the issue…
Descriptors: Foreign Countries, Comparative Education, Mathematics Skills, Academic Ability
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Kissau, Scott; Hiller, Florian – Research in Comparative and International Education, 2013
In response to international concern over poor reading skills among adolescent learners, teachers of these students are encouraged to integrate reading comprehension instruction into their classrooms. To increase the likelihood that reading comprehension strategies are effectively used in schools, teachers in all content areas need extensive…
Descriptors: Reading Comprehension, Reading Strategies, Preferences, Comparative Education