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Working from the 1970s to the early 1990s, Walter Alvarez and his research teamsought the cause of the mass extinction that claimed the dinosaurs 65 million years ago. The present paper discusses thatresearch in terms of eight puzzling observations, eight episodes of hypothetico-predictive reasoning, enumerative induction,and Jung's interrogative theory of scientific discovery. The Alvarez case history paints scientific discovery as a process in whichcausal questions are raised and answered through the creative use of analogical reasoning followed by an equally creative process ofhypothesis testing in which predicted and observed results are compared. According to this account, puzzling observations, causalhypotheses, and imagined tests drive investigations and the search for evidence. Two implications follow. The firstconcerns the education of new scientists and science education researchers and the need to more clearlydifferentiate hypotheses from predictions in the research process. The second concerns standard science classroom instruction that shouldmore frequently engage students in open inquiries that raise causal questions and encourage the generation of alternative causalhypotheses, which can then be explicitly tested in ahypothetico-predictive fashion. 相似文献
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Laura A. Guertin Sarah E. Zappe Heeyoung Kim 《Journal of Science Education and Technology》2007,16(6):507-514
The Just-in-Time Teaching (JiTT) technique allows students to be engaged in course material outside of the classroom by answering
web-based questions. The responses are summarized and presented to students in class with a follow-up active learning exercise.
College students enrolled in an introductory-level general education geoscience course were surveyed over a two-semester period
on their engagement level during lecture and perceived learning of course content. Data show that students are able to reflect
on their prior knowledge and construct new knowledge with weekly graded JiTT exercises. Despite increasing and competing pressures
outside of the classroom, students reported increased learning and engagement in a course with required weekly assignments. 相似文献
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自贡市恐龙博物馆是具有独特性的旅游景区,按照IPA分析法相关原理设计问卷并进行抽样调查,进一步对游客的满意度进行分析,为恐龙博物馆今后的发展提出相应的改善措施和建议：增强以人为本理念,强化服务意识;完善旅游基础设施,巩固优势因素;结合文化背景坚持不断创;扩大旅游购物与娱乐活动的消费比重． 相似文献
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地质遗迹是国家的宝贵财富,是生态环境的重要组成部分。在安岳县出土的马门溪恐龙化石,全长23米,现居亚洲第一,其典型性、稀有性为该恐龙化石的特点。恐龙化石地质遗迹分布广泛,埋藏量丰富,种类繁多,化石完好率达75%,超过了自贡恐龙化石的各项指标。本文主要分析了安岳马门溪恐龙化石地质遗迹的主要地质特征,提出了开发与利用的原则、设想及措施。 相似文献
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提出了城市的主题公园化和主题公园的城市化,在此基础上探讨当代主题公园与城市发展是如何融合共生的。结论如下:(1)主题公园的行业创新及其对"主题环境"的空间使用原理探索,激发了当代城市空间的主题公园化进程。(2)主题公园发展与城市发展的融合共生,能够破局当前中国主题公园行业普遍存在的"一年兴,二年盛,三年衰,四年败"短生命周期现象。(3)常州中华恐龙园的主题塑造及其"馆-园-城-基地"渐进成长模式具有案例启示意义。(4)主题公园行业仍然是朝阳产业,不应被视为洪水猛兽。 相似文献
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恐龙--学科馆员的未来? 总被引：5，自引：0，他引：5
本文从Dennis W．Dickinson的观点出发，论述了有关学科馆员前途命运的问题。通过分析得出结论：学科馆员的危机不在于会成为恐龙，而是时代需要学科馆员承担更多的责任，要求学科馆员具备更高的素质。 相似文献
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