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Direct linkDahsah, Chanyah; Coll, Richard K.; Sung-ong, Sunan; Yutakom, Naruemon; Sanguanruang, Sudjit – Journal of Science and Mathematics Education in Southeast Asia, 2008
The international literature suggests students frequently resort to the use of formulae when solving stoichiometry problems without understanding the concepts. In prior work we identified Thai student alternative conceptions and ability to solve numerical problem for stoichiometry. The results indicate that many Thai students also hold alternative…
Descriptors: Stoichiometry, Chemistry, Grade 10, Concept Formation
Peer reviewedDahsah, Chanyah; Coll, Richard K. – Research in Science & Technological Education, 2007
Stoichiometry and related concepts are an important part of student learning in chemistry. In this interpretive-based inquiry, we investigated Thai Grade 10 and 11 students' conceptual understanding and ability to solve numerical problems for stoichiometry-related concepts. Ninety-seven participants completed a purpose-designed survey instrument…
Descriptors: Grade 10, Grade 11, Secondary School Science, Problem Solving
Dahsah, Chanyah; Coll, Richard Kevin – International Journal of Science and Mathematics Education, 2008
The research reported in this case study explores the understanding of stoichiometry and related concepts of Thai science students in grades 10 and 11 after major national curriculum reforms. Students' conceptions and alternative conceptions were investigated using a questionnaire--the "Stoichiometry Concept Questionnaire" (SCQ) (N =…
Descriptors: National Curriculum, Stoichiometry, Chemistry, Foreign Countries
