Search results for author:"Stella Hadjiachilleos"
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The Impact of Cognitive and Affective Aspects of Cognitive Conflict on Learners' Conceptual Change about Floating and Sinking
Stella Hadjiachilleos; Nicos Valanides; Charoula Angeli
Research in Science & Technological Education Vol. 31, No. 2 (2013) pp. 133–152
Background: Cognitive conflict has been identified as an important factor for bringing about students' conceptual change. Researchers draw attention to the need to study not only cognitive factors related to cognitive conflict but affective...
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The Use of Lego Technologies in Elementary Teacher Preparation
Stella Hadjiachilleos; Lucy Avraamidou; Stavros Papastavrou
Journal of Science Education and Technology Vol. 22, No. 5 (October 2013) pp. 614–629
The need to reform science teacher preparation programs has been pointed out in research (Bryan and Abell in "J Res Sci Teach" 36:121-140, 1999; Bryan and Atwater in "Sci Educ" 8(6):821-839, 2002; Harrington and Hathaway in "...