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Taber, Keith S.; Bricheno, Pat – International Journal of Science Education, 2009
The present paper discusses the conceptual demands of an apparently straightforward task set to secondary-level students--completing chemical word equations with a single omitted term. Chemical equations are of considerable importance in chemistry, and school students are expected to learn to be able to write and interpret them. However, it is…
Descriptors: Chemistry, Equations (Mathematics), Word Problems (Mathematics), Secondary School Students
Dvora, Tali; Dreyfus, Tommy – International Group for the Psychology of Mathematics Education, 2004
We investigated unjustified assumptions made by students when proving geometric statements. Geometric statements can be presented with a diagram or without. Diagrams can be accurate or sketchy. Unjustified assumptions may originate in an accompanying diagram. We thus asked whether the way in which a statement is presented has an effect on…
Descriptors: Geometric Concepts, Task Analysis, Questionnaires, Interviews
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Sheldon, Deborah A.; DeNardo, Gregory – Journal of Research in Music Education, 2005
High school students aspiring to become music educators (n = 116) and upper-level music education majors (n = 130) took part in this investigation comparing higher-order thinking skills in an observation analysis task. We used certain procedures from previous investigations (Sheldon & DeNardo, 2004; Standley & Madsen, 1991). Upperclassmen…
Descriptors: High School Students, Thinking Skills, Music, Music Teachers