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Clarke, Doug M.; Roche, Anne – Educational Studies in Mathematics, 2009
As part of individual interviews incorporating whole number and rational number tasks, 323 grade 6 children in Victoria, Australia were asked to nominate the larger of two fractions for eight pairs, giving reasons for their choice. All tasks were expected to be undertaken mentally. The relative difficulty of the pairs was found to be close to that…
Descriptors: Numbers, Foreign Countries, Grade 6, Teaching Methods
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Chiras, Andreas – Science Education International, 2008
The study investigated the mental models of primary school children related to the day/night cycle. Semi-structure interviews were conducted with 40 fourth-grade and 40 sixth-grade children. Qualitative and quantitative analysis of the data indicated that the majority of the children were classified as having geocentric models. The results also…
Descriptors: Concept Formation, Models, Interviews, Time Perspective