Editorial     

Matsuura  Koïchiro 《Prospects》2004,34(2):137-140

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The Director-General of UNESCO     

Matsuura  Koïchiro 《Prospects》2002,32(2):123-124

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An electrohydrodynamic flow in ac electrowetting     

Horim Lee  Sungchan Yun  Sung Hee Ko    Kwan Hyoung Kang 《Biomicrofluidics》2009,3(4)

In ac electrowetting, hydrodynamic flows occur within a droplet. Two distinct flow patterns were observed, depending on the frequency of the applied electrical signal. The flow at low-frequency range was explained in terms of shape oscillation and a steady streaming process in conjunction with contact line oscillation. The origin of the flow at high-frequency range has not yet been explained. We suggest that the high-frequency flow originated mainly from the electrothermal effect, in which electrical charge is generated due to the gradient of electrical conductivity and permittivity, which is induced by the Joule heating of fluid medium. To support our argument, we analyzed the flow field numerically while considering the electrical body force generated by the electrothermal effect. We visualized the flow pattern and measured the flow velocity inside the droplet. The numerical results show qualitative agreement with experimental results with respect to electric field and frequency dependence of flow velocity. The effects of induced-charge electro-osmosis, natural convection, and the Marangoni flow are discussed.  相似文献   

Sex trade/sex work in Korea and Asia     

Ko Gaphee 《Inter-Asia Cultural Studies》2013,14(2):322-325

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Takamine Go: a possible Okinawan cinema 1     

Mika Ko 《Inter-Asia Cultural Studies》2013,14(1):156-170

Abstract

Despite little improvement in the socio‐political predicament of Okinawa since its reversion to Japan, culturally there has recently been something of an ‘Okinawa boom’ in mainland Japan. This has involved a huge interest in Okinawa and Okinawan cultures in mainland Japan and an increasing ‘consumption’ of Okinawan goods and cultural artefacts. One of the symptoms of this trend has been the growth in the last five years or so, in the number of films set in Okinawa. Many of these films present conventional stereotypical images of Okinawa and, whether wittingly or not, have contributed to the ‘cosmetic operation’ of Japan’s multiculturalism by providing a utopian vision of Okinawanness and erasing Okinawa’s problems from the screen. However, an Okinawan filmmaker, Takamine Go, critically challenges such stereotypes and Japan’s cosmetic multiculturalism. This paper focuses on Takamine’s Untamagirū (1989 Takamine, Go. 1989. Untamagirū  [Google Scholar]) and Tsuru‐Henry (1999). It examines the cinematic strategies mobilised by these films – the use of different languages, allegorical implications, complex montages of image and sound, and the departure from conventional narrative realism. These strategies, it will be suggested, not only enable the films to explore complex forms of public memory and history but also to challenge the notion of a homogeneous Japan and its ‘quasi‐orientalist’ gaze towards Okinawa. The paper then proceeds to argue that Takamine’s films should not simply be regarded as a ‘regional’ variant of Japanese cinema but as a ‘specifically Okinawan cinema’ that both overlaps with and opposes a ‘national’ Japanese cinema.  相似文献   

Children's stroke sequence errors in writing Chinese characters     

Law  Nancy  Ki  W.W.  Chung  A.L.S.  Ko  P.Y.  Lam  H.C. 《Reading and writing》1998,10(3-5):267-292

Each Chinese character is a two dimensional logograph and if character writing is seen as drawing a diagram, then there is no obvious correct sequence in the writing process. However, over the ages and to this day, Chinese children have been taught the proper stroke sequence for forming the characters based on some calligraphic rules when they begin to learn to write in Chinese. The rationale for the teaching of stroke sequence has traditionally been argued on the basis of facilitating better calligraphy and as a memory aid for the exact reproduction of the correct form of the character. This paper reports on a study that tries to determine how far young children can master the correct stroke sequences in writing and the common kinds of errors children made. It further explores the importance of and the possible educational implications for the teaching of stroke sequences in the teaching of handwriting based on the empirical results.  相似文献   

Psychological Maladjustment and Academic Achievement: A Cross-Cultural Study of Japanese, Chinese, and American High School Students     

David S. Crystal  Chuansheng Chen  rew J. Fuligni  Harold W. Stevenson  Chen-Chin Hsu  Huei-Jen Ko  Seiro Kitamura  Susumu Kimura 《Child development》1994,65(3):738-753

American, 1,633 Chinese, and 1,247 Japanese eleventh-grade students, 5 indices of maladjustment included measures of stress, depressed mood, academic anxiety, aggression, and somatic complaints. Asian students reported higher levels of parental expectation and lower levels of parental satisfaction concerning academic achievement than their American peers. Nevertheless, Japanese students reported less stress, depressed mood, aggression, academic anxiety, and fewer somatic complaints than did American students. Chinese students reported less stress, academic anxiety, and aggressive feelings than their American counterparts, but did report higher frequencies of depressed mood and somatic complaints. High academic achievement as assessed by a test of mathematics was generally not associated with psychological maladjustment. The only exception was in the United States, where high achievers indicated more frequent feelings of stress than did low achievers.  相似文献   

Solfeggio learning and the influence of a mobile application based on visual,auditory and tactile modalities     

Matjaž Debevc  Jernej Weiss  Andrej Šorgo  Ines Kožuh 《British journal of educational technology : journal of the Council for Educational Technology》2020,51(1):177-193

Traditional methods of learning solfeggio (music theory) generally do not take advantage of computer-based support, meaning that, when learning individually, students cannot receive instantaneous feedback on their activities. The aim of this study is to examine the effectiveness of an interactive mobile application, mySolfeggio, for learning solfeggio. Using a mobile device, students can take advantage of visual, auditory and tactile modalities to recognise musical notes. Students can also practice and learn notation, rhythm and melody, for which the mobile application provides corrective feedback. To evaluate students’ perceptions of the mobile application and its effect on knowledge, we conducted an experiment with 42 students, from 9 to 13 years old. After learning a particular song during a regular lesson, one group of students practiced it individually with only the musical notation, while the other group used both the musical notation and the mobile application. The results of the experiment illustrated only a small effect on students’ performance in singing and tapping when using the mobile application. However, they demonstrated higher scores in terms of musical intervals and rhythmic accuracy when compared to students in the control group. The students did not find the use of the application difficult, thus allowing it to be used as a tool for improvement of their homework practice.  相似文献   

The effect of student teaching experience and teacher beliefs on pre-service teachers’ self-efficacy and intention to use technology in teaching     

Insook Han  Yujung Ko 《Teachers and Teaching》2017,23(7):829-842

The student teaching experience has been considered important in establishing pre-service teachers’ beliefs and attitudes towards their teaching. However, few studies have investigated the effect of student teaching experiences as an educational intervention for increasing technology integration – especially pre-service teachers’ pedagogical beliefs as an internal barrier to technology integration. Thus, this study examined how technology-centred student teaching experiences differently affect pre-service teachers with different teaching beliefs with regard to self-efficacy and intention to use technology. Participants were 55 pre-service teachers in a student teaching practicum. The findings revealed that technology-centred student teaching experiences increased pre-service teachers’ self-efficacy regardless of their teacher beliefs. Additionally, pre-service teachers with traditional teacher beliefs had a low level of intention at the outset but significantly increased their intention after experiencing technology-centred student teaching; however, those with constructivist teacher beliefs showed no meaningful differences in their intention levels. Implications for teacher education and the limitations of this study are discussed.  相似文献   

Predictors of self-reported and peer-reported victimization and bullying behavior in early adolescents: the role of school,classroom, and individual factors     

Košir  Katja  Klasinc  Lucia  Špes  Tanja  Pivec  Tina  Cankar  Gašper  Horvat  Marina 《European Journal of Psychology of Education - EJPE》2020,35(2):381-402

European Journal of Psychology of Education - The purpose of the present study was to examine individual and contextual predictors of victimization and bullying on a sample of early adolescents....  相似文献