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Florian, Gabriel; Trocaru, Sorin; Florian, Aurelia-Daniela; Bâna, Alexandru-Dumitru – Acta Didactica Napocensia, 2015
The aim of the present article is to focus on the operational aspects referring to the actions--strategies and on the defined modalities of establishing educational objectives/competences. In the achievement of our work a special attention has been paid to the operational aspects of the learning process of the optical phenomena. There were carried…
Descriptors: Geometric Concepts, Geometry, Optics, Creative Activities
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Kurnaz, Mehmet Altan; Emen, Ayse Yagmur – Acta Didactica Napocensia, 2014
Following up on the effects of learning environments is essential to learning. The aim of this study was to examine students' mental models related to the concepts of expansion and contraction of materials. The population of the case study consisted of 155 students in a city center in Turkey. The data was gathered using open-ended questions that…
Descriptors: Foreign Countries, Case Studies, Models, Cognitive Structures
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Köksal, Mustafa Serdar; Yaman, Süleyman – Acta Didactica Napocensia, 2013
The expectancy-value model of motivation states that individuals' choice, persistence and performances are related to their beliefs about how much they value task. Despite the importance of "task value" in learning biology, lack of the instruments on task value for high school biology courses for practical use indicated requirement to…
Descriptors: Biology, Science Instruction, Test Construction, Secondary School Science
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Brad, Alexandru – Acta Didactica Napocensia, 2011
This study was conducted with the purpose of analyzing high school students' approach to problem solving activities, namely the metacognitive abilities and the strategies they employ. The results show that although students apply basic strategies well, they use a trial-and-error approach, they give-up when faced with difficulties and have…
Descriptors: Problem Solving, High School Students, Learning Strategies, Metacognition
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Stefan, Monica; Ciomos, Florentina – Acta Didactica Napocensia, 2010
The students' interest and attitude towards Physics have been the object of international testing, the most recent of which is the PISA testing from 2006. The students' attitude towards sciences is considered to be a significant predictor of their school results in science, respectively of pursuing a career in areas related to Science. The present…
Descriptors: Grade 8, Grade 9, Student Attitudes, Science Instruction
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Egodawatte, Gunawardena – Acta Didactica Napocensia, 2009
Research studies have shown that students encounter difficulties in transitioning from arithmetic to algebra. Errors made by high school students were analyzed for patterns and their causes. The origins of errors were: intuitive assumptions, failure to understand the syntax of algebra, analogies with other familiar symbol systems such as the…
Descriptors: Algebra, Mathematics Skills, High School Students, Secondary School Mathematics
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Ravanis, Konstantinos; Pantidos, Panagiotis; Vitoratos, Evangelos – Acta Didactica Napocensia, 2009
Children's mental representations about physical concepts and phenomena play a vital role in the learning process. This is confirmed by the data derived from relevant researches which demonstrate that the students formulate incompatible ideas compared with the scientific ones. In this research we investigate the representations of 14-15 years old…
Descriptors: Scientific Concepts, Learning Processes, Adolescents, Magnets