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Panaoura, Areti; Gagatsis, Athanasios; Deliyianni, Eleni; Elia, Iliada – Educational Psychology, 2010
In a previous article of the same journal, we have discussed the interrelations of students' beliefs and self-efficacy beliefs for the use of representations and their respective cognitive performance on the learning of fraction addition. In the present paper, we confirm a similar structure of cognitive and affective factors on using…
Descriptors: Arithmetic, Self Efficacy, Beliefs, Problem Solving
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Modestou, Modestina; Gagatsis, Athanasios – Mathematical Thinking and Learning: An International Journal, 2010
In this study we attempt to propose a new model of proportional reasoning based both on bibliographical and research data. This is impelled with the help of three written tests involving analogical, proportional, and non-proportional situations that were administered to pupils from grade 7 to 9. The results suggest the existence of a…
Descriptors: Logical Thinking, Grade 7, Thinking Skills, Metacognition