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121.
Jin Won Chung 《广播与电子媒介杂志》2017,61(2):430-448
This study investigates the relationship between the concentration of ownership among cable companies and diversity in the cable networks during a period of regulatory uncertainty—a period when the cable ownership rules were announced but did not have legal impact due to legal challenges from the industry. The results show that although cable ownership rules had not been legally in effect, they did pose potential threats to the industry and affected the cable television industry by decreasing the level of concentration among cable networks while increasing the level of concentration among cable system operators. 相似文献
122.
This paper examines whether commercial success in the popular recorded-music industry, as measured by gold-record output, conforms to an empirical concentration. We find that Lotka's Law overestimates the number of artists with one gold record and underestimates the number of multiplegold-record performing artists. However, for all measures of successful records, theGeneralized Lotka's Law provides an excellent fit, which suggests that the number of performers producingn gold records in about 1/n
c of those producing one gold record. 相似文献
123.
Zhoc Karen C. H. King Ronnel B. Chung Tony S. H. Chen Junjun 《European Journal of Psychology of Education - EJPE》2020,35(4):839-863
European Journal of Psychology of Education - The role of emotions in student engagement has been examined in many studies. However, little is known about how emotional intelligence (EI) is related... 相似文献
124.
Johanna Creswell Báez Matthea Marquart Rebecca Yae-Eun Chung Delia Ryan Kristin Garay 《Journal of Teaching in Social Work》2019,39(4-5):505-518
ABSTRACTWith the growth of online and distance education in social work, faculty training and support need to be provided to ensure high-quality online social work education. A model for training social work educators in online teaching is outlined that focuses on pedagogy, technology, and social work values. Columbia University School of Social Work’s Online Campus provides a five-week Institute on Pedagogy and Technology for Online Courses for prospective social work instructors. The Institute provides a faculty training model that can be adopted in other social work programs, and seeks to model best practices in online education. 相似文献
125.
The purpose of this quasi‐experimental study was to document the benefits of teaching chemistry through history. The experimental group consisted of seniors enrolled in a teacher preparation program in which they learned how to teach chemistry through the history of science. Their understanding of the nature of science was compared with that of a control group, which consisted of juniors in the same department. The results of the analysis of covariance revealed that the experimental group outperformed the control group on an instrument documenting respondents' understanding of the nature of science. Additional frequency analysis and interview data indicated that the experimental group students had a better understanding of the nature of creativity, the theory‐based nature of scientific observations, and the functions of theories. In the pretreatment interviews, students in the experimental group based their explanations concerning the nature of science primarily on their intuition. In the posttreatment interview, however, they were able to explain their beliefs by using scientists' arguments or hypotheses as examples. This result indicates that the experimental group's understanding about the nature of science was enhanced by learning to teach through the history of science. © 2002 Wiley Periodicals, Inc. J Res Sci Teach 39: 773–792, 2002 相似文献
126.
Altruism is recognized as a significant component of willingness to pay (WTP) estimates when using contingent valuation method (CVM). The argument of whether all values that are motivated by altruism can be considered as real value has been discussed in various fields. In order to derive the real WTP value for public library valuation, an attempt was made to decompose an individual's total WTP into two categories: local versus global and paternalistic versus nonpaternalistic. A contingent valuation survey was conducted to demonstrate how altruistic motivations affect WTP estimates for public libraries. Approximately 22% of the WTP value was found to be excluded from the total WTP value, because of motivation by local and nonpaternalistic altruistic attitudes. The results suggest that in a WTP study using the contingent valuation method, one must design a survey questionnaire with a comprehensive view that takes into account two different aspects of altruistic motivation. 相似文献
127.
128.
Chin‐Chung Tsai 《International Journal of Science Education》2013,35(14):1733-1750
Educators and psychologists have evidence that students’ conceptions of learning have a profound influence on the learning process, and thus are related to learning outcomes. The purpose of this paper was to explore the conceptions of learning science held by 120 Taiwanese high school students. The interview data gathered from these students, analysed by a phenomenographic method, revealed seven categories of conceptions of learning science, including: learning science as memorizing, preparing for tests, calculating and practising tutorial problems, the increase of knowledge, applying, understanding, and seeing in a new way. The educational contexts or curricular programmes in which these high school students enrolled also played a role in their conceptions of learning science. This study finally proposed a framework to describe the variations of the conceptions of learning science, consisting of the following features: the forms of knowledge acquisition, motivational orientations, and standards of evaluating learning outcomes. How to change students’ unfruitful conceptions of learning science was also discussed. 相似文献
129.
130.
Informed by achievement goal orientation and self-determination theories, we explored the role of cultural/contextual factors on Korean students' achievement motivation. Specifically, we examined the role of the Korean middle school students' family orientation as a mediator between their perceptions of parent goals or motivating styles and their achievement motivations in learning math, when their perceptions of classroom goal structures were controlled. We also investigated gender differences in the role of the students' family orientation and of their perceptions of their parents and classroom variables in predicting their own achievement motivations. Multi-sample path analyses indicated that both Korean boys' and girls' family orientation mediated between their perceptions of parent variables and their own achievement motivations. Korean students' family orientation predicted mainly controlled forms of motivation and ego-focused goals. In addition, the relationships between students' perceptions of parent variables and their achievement motivations statistically varied across gender. 相似文献