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Zarkadis, Nikolaos; Papageorgiou, George; Stamovlasis, Dimitrios – Chemistry Education Research and Practice, 2017
Science education research has revealed a number of student mental models for atomic structure, among which, the one based on Bohr's model seems to be the most dominant. The aim of the current study is to investigate the coherence of these models when students apply them for the explanation of a variety of situations. For this purpose, a set of…
Descriptors: Cognitive Structures, Schemata (Cognition), Models, Nuclear Physics
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Karakolidis, Anastasios; Pitsia, Vasiliki; Emvalotis, Anastassios – Themes in Science and Technology Education, 2016
The main aim of the present study was to carry out an in-depth examination of mathematics underperformance in Greece. By applying a binary multilevel model to the PISA 2012 data, this study investigated the factors which were linked to low achievement in mathematics. The multilevel analysis revealed that students' gender, immigration status,…
Descriptors: Foreign Countries, Low Achievement, Mathematics Achievement, Multivariate Analysis
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Brandt, Martina; Deindl, Christian – Journal of Marriage and Family, 2013
Understanding the role of social policies in intergenerational transfers from old to young people is especially important in times of population aging. This paper focuses on the influences of social expenditures and social services on financial support and on practical help from older parents to their adult children based on the first two waves…
Descriptors: Foreign Countries, Population Trends, Aging (Individuals), Parent Child Relationship
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Gravani, M. N.; Hadjileontiadou, S. J.; Nikolaidou, G. N.; Hadjileontiadis, L. J. – Learning and Instruction, 2007
Studies have suggested that professional learning is influenced by two key parameters, i.e., climate and planning, and their associated variables (mutual respect, collaboration, mutual trust, supportiveness, openness). In this paper, we applied analysis of the relationships between the proposed quantitative, fuzzy logic-based model and a series of…
Descriptors: Foreign Countries, Faculty Development, Logical Thinking, Models