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Textbooks have the potential to be powerful tools to help students develop an understanding of mathematics. However, many
students are unable to use their textbooks effectively as learning tools. This paper presents a framework that can be used
to analyze factors that impact the ways students read textbooks. It adapts ideas from reader-oriented theory and applies them
to the domain of mathematics textbooks. In reader-oriented theory, the reader is viewed as actively constructing meaning from
a text through the reading process; this endeavor is shaped and constrained by the intentions of the author, the beliefs of
the reader, and the qualities the text requires the reader to possess. This paper also discusses how reading mathematics textbooks
is further constrained by the authority and closed structure of these textbooks. After describing the framework, the paper
discusses recommendations for future avenues of research and pedagogy, highlighting the importance of teachers' roles in mediating
their students' use of textbooks. 相似文献
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Major Hollywood studios typically release new movies in North America in one of the two ways, wide release or platform release. In this paper, we investigate how release form affects the demand of a new movie after it is nationally released. In particular, we focus on movies for which the platform release is pre-planned to make the problem tractable. We estimate our model using a sample of Hollywood movies that eventually received nationwide release from 1999 to 2003. Our results show that platform release shifts consumers’ perception of unobservable movie appeal through its first stage performance, which turns out to be a stronger effect than that of advertising. Meanwhile, we find that the demand for platform movies decays faster than for wide release ones after their national release. Using counterfactual analysis, we find that more than half of the platform movies which later went to national release would have earned higher profits if they had been given a wide release. 相似文献
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