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Key points

  • U.S. university OA policies are far less mandatory than those in the U.K.
  • The waiver clauses in U.S. university policies make it easy for authors to decline making their articles OA.
  • The relative autonomy – and competitiveness – of U.S. universities may be the reason for weaker OA policies.
  • OA in the U.S. is likely to be driven by government funding agency policies rather than by academia.
  相似文献   
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In order to evaluate the effectiveness of an experimental elementary mathematics field experience course, we have designed a new assessment instrument. These video-based prediction assessments engage prospective teachers in a video analysis of a child solving mathematical tasks. The prospective teachers build a model of that child’s mathematics and then use that model to predict how the child will respond to a subsequent task. In this paper, we share data concerning the evolution and effectiveness of the instrument. Results from implementation indicate moderate to high degrees of inter-rater reliability in using the rubric to assess prospective teachers’ models and predictions. They also indicate strong correlation between participation in the experimental course and prospective teachers’ performances on the video-based prediction assessments. Such findings suggest that prediction assessments effectively evaluate the pedagogical content knowledge that we are seeking to foster among the prospective teachers.  相似文献   
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If freezing underlies barpress conditioned suppression, then it seems odd that auditory cues paired with shock evoke more freezing than do visual cues, yet evoke similar suppression. Bevins and Ayres (1992) found that auditory and visual cues also evoked similar withdrawal from the bar and dipper areas and suggested that such withdrawal could explain the similar suppression. Seeking to understand that withdrawal, we found evidence in the present study that it was due either to adventitious punishment or to place-aversion learning. The cue for shock seemed to set the occasion for such learning. For example, we found that, as training progressed, rats’ tendency to leave the bar area during the cue first increased, then decreased, then increased again, reflecting, presumably, shock occurrence first inside, then outside, then inside the bar area again. Despite these changes in the rats’ location, barpress suppression remained stable, implying that leaving the bar area, though sufficient for barpress suppression, is unnecessary.  相似文献   
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Summary Social and emotional development begins from the moment of birth. Remarkably, infants are able to engage with their social world, particularly their parents and family. They start to establish a secure attachment with their primary caregivers who provide not only nurturance but guidance. A sense of security facilitates infants' exploration of their physical and social world. They demonstrate selective preferences—they prefer to look at faces and listen to voices—that reflect their genetically programmed disposition. Infants are able to express their emotions and recognize the emotional expressions of others. The development of basic human attributes emerge in the first few weeks and months of life. Caring, loving adults play such a critical role in providing learning opportunities to interact with others and express their emotions in an appropriate manner. Adults shape the quality of experiences that infants encounter and provide the basic building blocks of trust that support further development later in life.  相似文献   
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This article presents a critical reflection on how we, instructors of a graduate-level course in higher education administration, sought to integrate theoretical and subject-matter content and research methodology. Our reflection, guided by autoethnography and teacher reflection, challenged both our assumptions about curriculum design and our process of designing and teaching the redesigned course. We found that our efforts to integrate course content and methodology differed from students’ prior experiences and resulted in a disconnection between their experience and the intended course learning objectives. Recommendations include understanding the degree program culture and students’ course expectations, using assignments that facilitate learning of both theory and methods, and balancing classroom discussion among theory, methodology, and the integration of the two.  相似文献   
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