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Direct linkYoon, Heojeong; Woo, Ae Ja; Treagust, David; Chandrasegaran, A. L. – International Journal of Science Education, 2014
The efficacy of problem-based learning (PBL) in an analytical chemistry laboratory course was studied using a programme that was designed and implemented with 20 students in a treatment group over 10 weeks. Data from 26 students in a traditional analytical chemistry laboratory course were used for comparison. Differences in the creative thinking…
Descriptors: Preservice Teacher Education, Chemistry, Problem Based Learning, Laboratory Experiments
Othman, Jazilah; Treagust, David F.; Chandrasegaran, A. L. – International Journal of Science Education, 2008
A thorough understanding of chemical bonding requires familiarity with the particulate nature of matter. In this study, a two-tier multiple-choice diagnostic instrument consisting of ten items (five items involving each of the two concepts) was developed to assess students' understanding of the particulate nature of matter and chemical bonding so…
Descriptors: Chemistry, Foreign Countries, Grade 9, Grade 10
Treagust, David F.; Chandrasegaran, A. L. – International Journal of Science Education, 2007
Over the past two decades, several two-tier multiple-choice diagnostic tests in science at a variety grade levels have been reported in the extant literature from several countries. This review summarises these studies, provides an overview of the methodology for their construction, presents two examples of typical items, and lists studies…
Descriptors: Foreign Countries, Sampling, Diagnostic Tests, Chemistry
