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21.
默顿对科学社会学的贡献 总被引:2,自引:0,他引:2
这篇文章是关于默顿及其科学社会学工作的回忆与评论.作者自1960年起先后作过默顿的学生、助手和同事,前后达15年之久,可以说对默顿非常熟悉.文中主要讨论了默顿关于清教与科学的博士论文、关于科学规范的论述、以及关于"马太效应"的文章.作者评论道,默顿一方面未能赋予其清教论题以更一般化的陈述,另一方面又未能对经验资料给予足够的关注,从而导致人们怀疑其马太效应理论的正确性. 相似文献
22.
The present research investigated whether co-viewer comments in social TV interactions are able to enhance or weaken media effects. With the example of talent shows, the valence of co-viewer comments (pro/contra/none) as well as the type of content (antisocial behavior vs. conventional performance) were varied in an experiment (N = 117). Results showed that participants’ own comments and their private attitudes about the judges varied in line with comment valence. Findings suggest that social TV viewers are prone to social influence of their co-viewers, which might amplify problems regarding the portrayal of antisocial behavior in reality TV. 相似文献
23.
Skedsmo Guri Huber Stephan Gerhard 《Educational Assessment, Evaluation and Accountability》2019,31(3):251-255
Educational Assessment, Evaluation and Accountability - 相似文献
24.
Three field studies tested the hypothesis that anticipating a graded test as opposed to a pass-fail test enhances metacognitive monitoring. Participants were teacher candidates who completed a mid-term and a final test in psychology courses. Each participant chose whether the result of the final test should be evaluated with one of five grades or with a pass-fail decision. In both tests, participants answered true–false inference items about the contents of the course and indicated their confidence in the correctness of each answer. When a graded test was expected, confidence and the absolute accuracy of the confidence judgments increased and bias decreased to a greater extent than when a pass-fail decision was expected. However, expecting a grade increased participants’ confidence not only in correct answers but also in incorrect answers (Study 1). Feedback and instructions emphasizing the importance of accurate discrimination between correct and incorrect answers did not weaken this effect (Study 2). The generalizability of the findings was investigated by reanalyzing the test results of participants in eight other psychology courses (Study 3). The results are discussed in terms of the motivational consequences of grading. 相似文献
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26.
This study examined how hybrid documentary formats, which embed educational contents into narratives, are cognitively processed. Based on existing research and theories, two reception modes were identified: processing with a focus on the narrative plotline and processing with a focus on the thematic structure. In two experiments, two markers of narrative processing could be found for hybrid television documentaries: the experience of transportation and the narrative distance effect. In the first experiment, it could be shown that re-enactments and personal variables enhance the experience of transportation. The second experiment confirmed the narrative distance effect, which occurs independently of reception goals. This means that educational facts which are closely tied to the narrative plotline were learned better than distant facts, regardless of whether the recipients watched the documentary for information or entertainment purposes. The study supplements prior theories on hybrid processing and provides conditions under which narratives are appropriate for learning. 相似文献
27.
Albert Meijer Stephan GrimmelikhuijsenGijs Jan Brandsma 《Government Information Quarterly》2012,29(1):21-29
New Public Management and bureaucratic models fail to acknowledge the value of peer-to-peer cooperation between citizens as a resource for public service support. Social media enable citizens to create environments for sharing information about public services in Communities of Public Service Support. The success of this model for public service support depends on the availability of communities, the level of active participation, and the information content. This paper presents an empirical study of virtual communities of expats in The Netherlands. Our analysis shows that there is a wide variety of virtual expat communities with a high level of participation and valuable content. We conclude that virtual communities play an important role in public service support since they facilitate social learning between citizens. 相似文献
28.
This study was concerned with identifying prerequisites for the successful use of videos that offer different levels of interactivity. In a homework scenario, 64 ninth graders participated either in a search training demonstrating the efficient use of features facilitating the selection of relevant information or in a control training focusing on the integration of new information with prior knowledge. Following the training, the participants used either a common video that allowed them to control the transient flow of the information via stop and browsing or an enhanced video that additionally facilitated the localization of information via chapter selection and an index. Overall, the students wrote two essays (Essay 1: summary; Essay 2: argument) and performed a search task. The study revealed that, independent of the training condition, students benefitted from the enhanced video for the search task which merely required naming isolated facts. Moreover, in a summary task, the enhanced video resulted in the consideration of information from more different chapters when the task required gathering information from the video; however, this broader consideration of chapters only translated into naming more information after the search training. The data of a second essay requiring inferences about the video’s contents (argument) were not analyzed due to a floor effect. Taken together, these results indicate that the characteristics of a task as well as the students’ knowledge of respective search strategies need to be considered when implementing interactive features in video environments. 相似文献
29.
By the multiple usage of immaterial resources across organizational and national market borders, globally acting media conglomerates are able to achieve outstanding synergies. For this reason, they are expected to realize higher margins of profit than smaller-size, nondiversified media firms. However, no empirical evidence has been found for a positive correlation between a firm's size or its presence in many businesses of the media industry and its economic performance until now. Consequently, possible synergies do not seem to be fully exploited in many cases. This article analyzes how to institutionalize and implement synergy management in decentralized media organizations. For these purposes, we first develop a basic understanding and then conduct an exploratory case study on Bertelsmann's approach, which overcomes the stress ratio between corporate coordination and independent action at the operational level. Distinguishing various product types and triggers, this case study renders the process of synergy management more precisely and illustrates how to arrange responsibilities between organizational units. Finally, by relating the results of the case study to the body of literature, we work out patterns of responsibility assignment and drivers of success for strategic integration. In contrast to operational integration, the latter may lead to synergies due to cross-divisional cooperation and business development. 相似文献
30.
Susan J. Hillman Kylie H. Bloodsworth Charles E. Tilburg Stephan I. Zeeman Henrietta E. List 《International Journal of Science Education》2013,35(15):2580-2595
This study was launched from a National Science Foundation GK-12 grant in which graduate fellows in Science, Technology, Engineering, and Mathematics (STEM) are placed in classrooms to engage K-12 students in STEM activities. The investigation explored whether the STEM Fellows' presence impacted the K-12 students' stereotypical image of a scientist. Since finding a valid instrument is critical, the study involved (1) determining the validity of the commonly administered Draw-A-Scientist Test (DAST) against a newly designed six-question survey and (2) using a combination of both instruments to determine what stereotypes are currently held by children. A pretest–posttest design was used on 485 students, grades 3–11, attending 6 different schools in suburban and rural Maine communities. A significant but low positive correlation was found between the DAST and the survey; therefore, it is imperative that the DAST not be used alone, but corroboration with interviews or survey questions should occur. Pretest results revealed that the children held common stereotypes of scientists, but these stereotypes were neither as extensive nor did they increase with the grade level as past research has indicated, suggesting that a shift has occurred with children having a broader concept of who a scientist can be. Finally, the presence of an STEM Fellow corresponded with decreased stereotypes in middle school and high school, but no change in elementary age children. More research is needed to determine whether this reflects resiliency in elementary children's perceptions or limitations in either drawing or in writing out their responses. 相似文献