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@article{ Papageorgiou2010, title = {Primary teachers' particle ideas and explanations of physical phenomena: the effect of an in-service training course}, author = {Papageorgiou, George and Stamovlasis, Dimitrios and Johnson, Phil Michael}, journal = {International Journal of Science Education}, number = {5}, pages = {629-652}, volume = {32}, year = {2010}, doi = {https://doi.org/10.1080/09500690902738016}, urn = {https://nbn-resolving.org/urn:nbn:de:0168-ssoar-220802}, abstract = {This paper presents a study concerning Greek primary school teachers' (n=162) ideas about the particulate nature of matter and their explanations of physical phenomena. The study took place during an in-service training course where the effectiveness of a specially designed intervention was tested. A key feature was an approach based on the concept of a substance and its states rather than 'solids, liquids and gases'. Pre-intervention, the teachers held misconceptions similar to those of pupils. Also, there seemed to be some relationship between the teachers' particle model ideas and their explanations of phenomena. Post-intervention, the teachers' descriptions and explanations were found to be significantly improved, with almost zero correlation between pre and post intervention scores. Implications for science education are discussed.}, keywords = {Griechenland; berufliche Weiterbildung; primary school; naturwissenschaftlicher Unterricht; advanced vocational education; Grundschule; natural science instruction; teacher; Lehrer; Greece}}