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An Analysis of 16-17-Year-Old Students' Understanding of Solution Chemistry Concepts Using a Two-Tier Diagnostic Instrument
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Adadan, Emine; Savasci, Funda – International Journal of Science Education, 2012
This study focused on the development of a two-tier multiple-choice diagnostic instrument, which was designed and then progressively modified, and implemented to assess students' understanding of solution chemistry concepts. The results of the study are derived from the responses of 756 Grade 11 students (age 16-17) from 14 different high schools…
Descriptors: Chemistry, Grade 11, Scientific Concepts, Comprehension
Using Multiple Representations to Promote Grade 11 Students' Scientific Understanding of the Particle Theory of Matter
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Adadan, Emine – Research in Science Education, 2013
This study explored two groups of Grade 11 (age 16-17) students' conceptual understandings about aspects of particle theory before, immediately after, and 3 months after instruction with multiple representations (IMR) and instruction with verbal representations (IVR). Data sources included open-ended questionnaires, interviews, and student…
Descriptors: Secondary School Students, Grade 11, Physics, Secondary School Science
Exploring Grade 11 Students' Conceptual Pathways of the Particulate Nature of Matter in the Context of Multirepresentational Instruction
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Adadan, Emine; Trundle, Kathy Cabe; Irving, Karen E. – Journal of Research in Science Teaching, 2010
This study investigated the conceptual pathways of 19 Grade 11 introductory chemistry students (age 16-17) as they participated in a multirepresentational instruction on the particulate nature of matter (PNM). This study was grounded in contemporary conceptual change theory, in particular, research on students' conceptual pathways that focuses on…
Descriptors: Chemistry, Secondary School Science, Secondary School Students, Grade 11