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Training pre-service and in-service secondary school teachers: Analysis of changes in perceptions about quantum physics concepts and NoS views

机译:培训职前和在职中学教师:分析关于量子物理学概念和NoS观点的观念变化

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摘要

In this work we focus on the study of the changes in perceptions about Quantum Physics concepts and Nature of Science (NoS) Views of secondary school teachers attending three different typologies of professional development courses on Modern Physics. An open-ended questionnaire has been properly developed and administered in order to investigate Quantum Mechanics conceptual issues, NoS views and motivational aspects for all involved teachers. The same questionnaire has been submitted to the teachers both prior-to and after the courses. The analysis of teachers’ pre-instruction answers highlights that the majority of them show several difficulties on both conceptual knowledge and epistemological issues regarding the basic properties of Quantum Physics systems. After instruction, the teachers answered to the questionnaire by showing a clear change of perspective on their view of Quantum Physics concepts. Moreover, our study demonstrates that differences in the educational background of the participating teachers, as well as the typology of professional development course attended, are important when comparing normalized gains. Even in NoS view and motivational aspects, teachers’ answers, collected at the end of the professional development course attended, have shown interesting changes. An overall discussion is finally presented.
机译:在这项工作中,我们专注于研究关于量子物理学概念和科学性质(NoS)的观念变化。中学教师参加三种不同类型的现代物理学专业发展课程的看法。为了调查量子力学的概念性问题,NoS观点和所有相关教师的激励因素,已经适当开发和管理了一个开放式问卷。在课程开始之前和之后,都向教师提交了相同的问卷。对教师授课前答案的分析表明,大多数教师在有关量子物理学系统基本特性的概念知识和认识论问题上都表现出一些困难。授课后,老师们对问卷进行了回答,表明了他们对量子物理学概念的清晰认识。此外,我们的研究表明,在比较标准化收益时,参与教师的教育背景差异以及所参加的专业发展课程的类型是重要的。即使在NoS观点和动机方面,在参加的专业发展课程结束时收集的教师答案也显示出有趣的变化。最后进行了总体讨论。

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