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Mouratidis, Athanasios; Barkoukis, Vassilis; Tsorbatzoudis, Charalambos – European Physical Education Review, 2015
Self-determination theory posits that satisfaction of the needs for autonomy, competence and relatedness represents the basic nutriments for humans' optimal functioning. It also postulates that with greater the degree to which these three needs are equally satisfied, the quality of motivation is further enhanced. Yet, this premise has remained…
Descriptors: Need Gratification, Motivation, Physical Education, Adolescents
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Stamovlasis, Dimitrios; Tsitsipis, Georgios; Papageorgiou, George – Chemistry Education Research and Practice, 2012
In this study, structural equation modeling (SEM) is applied to an instrument assessing students' understanding of the particulate nature of matter, the collective properties and physical changes, such as melting, evaporation, boiling and condensation. The structural relationships among particular groups of items were investigated. In addition,…
Descriptors: Structural Equation Models, Student Evaluation, Scientific Concepts, Chemistry
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Tsitsipis, Georgios; Stamovlasis, Dimitrios; Papageorgiou, George – International Journal of Science Education, 2010
In this study, students' understanding of the structure of matter and its changes of state such as melting, evaporation, boiling, and condensation was investigated in relation to three cognitive variables: logical thinking (LTh), field dependence/independence, and convergence/divergence dimension. The study took place in Greece with the…
Descriptors: Foreign Countries, Scientific Concepts, Logical Thinking, Path Analysis