• 아동학회지
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• 제18권1호
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• pp.5-21
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• 1997

This study compared children's daily activities In the preschools of middle-and lower-income communities. 22 children, evenly divided by community and children's gender, were observed for 3 hours on 5 consecutive days. The observers followed the target child, gathering data during 30-second "windows" every 4 1/2 minutes. A total of 750 observations were used in the analyses. The findings show the variation in children's activities as a function of community differences. In the case of academic activities, children of middle-income community were more exposed to and engaged in play with academic objects more than children of the of low-income community. A reverse tendency, however, was found in academic lessons. Children of low-income community were more exposed to work than their counterparts. Children of middle-income community were engaged in child-adult conversation more than those of low-income community. In addition, children of the middle-income community initiated their involvement in play and conversation more than their counterparts, though no difference was found in children's initiation of activities.

• 아동학회지
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• 제19권1호
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• pp.141-154
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• 1998

This study investigated how kindergarten teachers apply children's traditional play to educational curriculum and how kindergarten children engaged in traditional play. The subjects of this study were 120 kindergarten teachers and their 2930 5-year-old kindergarten children. Data were gathered through questionnaires. The results showed that most teachers included children's traditional play in educational curriculum as indoor and outdoor play activities, but they had difficulties in this process by lack of play materials and their knowledge of children's traditional play. The results also showed that kindergarten children played "Yut" most frequently and, in most cases, they engaged in traditional play in ways which were adjusted to their developmental level and life style.

• Child Studies in Asia-Pacific Contexts
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• 제2권1호
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• pp.11-27
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• 2012

We examined play interactions between siblings when one child has autism in a Vietnamese American and a European American family. Analysis was based on video recorded free play sessions with each set of siblings at their home. Interviews with the typically developing sibling and parents also provided supplemental data to aid our knowledge about their play behavior. This study describes the role of the typically developing sibling in play and the types of play engaged in by siblings. Findings indicate that the two sets of siblings differed in their play behavior. Specifically, significant differences were noted in the role of the typically developing sibling in play, and the types of play engaged in by the siblings. The perceptions of the typically developing siblings and parents regarding autism also differed across families, significantly affecting their play behavior. Implications for research are described.

• Child Studies in Asia-Pacific Contexts
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• 제3권2호
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• pp.159-173
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• 2013

We examined the associations between Latino cultural variables and four sexual behaviors among female adolescents of Mexican origin. Participants ages 14 to 19 (N = 153; 70% born in the U.S) completed surveys about four sexual behaviors (making out, receiving and performing oral sex, and vaginal sex) and cultural variables (nativity, language use, familism, and importance of female virginity). Findings indicated that participants who were born in the U.S. were less likely to have engaged in making out and vaginal sex than participants born in Mexico. Participants reporting stronger familism were less likely to have engaged in making out and oral sex than participants reporting less familism. For all behaviors, placing a greater value on female virginity was associated with lesser odds of engaging in that behavior. This study expands our understanding of the role of nativity and Latino values in the sexual behaviors of Mexican-origin female adolescents.

• 한국과학교육학회지
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• 제32권9호
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• pp.1427-1442
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• 2012

This study tracked the changes of preservice biology teachers' pedagogical knowledge along with science teaching efficacy throughout sequentially developed science methods course I and II over two consecutive semesters. Two courses, science methods course I and II, aimed these preservice teachers to discuss the notion of science teaching with teaching and learning theories, to learn science instructional models, to design lessons utilizing science instructional models, and to eventually implement microteaching. The preservice teachers were mainly engaged in cooperative instructional planning activities through science methods course I, and engaged in cooperative microteaching activities through the science methods course II. This study revealed that preservice teachers successfully developed pedagogical knowledge and science teaching efficacy after two science methods courses. The science methods course I where cooperative instructional planning activities occurred helped the preservice teachers to improve pedagogical knowledge but not science teaching efficacy. Based on their pedagogical knowledge development, then, these preservice teachers increased science teaching efficacy belief after completion of the science methods course II.

• 대한가정학회지
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• 제20권4호
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• pp.185-192
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• 1982

The purpose of this study was to examine preschool children's participation tendency and use of play materials in imaginative play. The subjects for the study included 22 boys and girls in nursery school. These children were observed for 110-3-minutes of play behavior during free play at nursery school, especially in block area and housekeeping area. The results obtained from the study were as follows. 1. There was a significant association between paricipation tendency in imaginative play and age or sex, Boys engaged in more social imaginative play than girls, and four-year-olds engaged in more social imaginative play than three-year-olds. 2. There was sex difference in the content of imaginative play and use of play materials. That is, boys usually chose masculine kinds of toys such as block, cars, trucks, and manipulative materials. And the boys' common fantasies were about car, robert and fighting. Girls usually chose play dough, kitchen sets, and blocks and there were maines stories of family life and cooking. 3. Children preferred to use more realistic toys in imaginative plays and there were few cases of imaginative plays with no materials.

• 한국수학교육학회지시리즈D:수학교육연구
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• 제23권2호
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• pp.113-133
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• 2020

Pre-service teachers (PST) are students who are developing their mindset, persistence, instructional practices, and perception of tasks from two perspectives: as current students and as future teachers. As part of a larger study with PSTs engaged in a mindset intervention, this study quantitatively investigated PSTs mindset and persistence. During professional development (PD), PSTs engaged in multiple strategies (MS) tasks that promoted changes to PSTs mindset and persistence. PSTs' mindset pre- and post- PD were categorized after attending at least 4 interventions as fixed, mixed, or growth using the theory of intelligence, and their persistence as high or low using the Grit-S. Changes in categorization were noticed and explored for reasons of what could be done to make mindset interventions more effective such as consistently using challenging mathematics tasks with more open ended answers and focusing on discussion based mathematical lessons.

• 한국소음진동공학회:학술대회논문집
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• 한국소음진동공학회 2005년도 추계학술대회논문집
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• pp.522-524
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• 2005

In this paper, we address an actuator system, which suppresses the micro-vibration engaged by environment. The actuator system consists of two modules with a permanent and an electromagnet. In vertical mode, one module is upper the other is lower. For optimal control of alternating vibration, the rate of the attraction force and the repulsion force is exactly one. Generally, the repulsive force is smaller than the attractive force. For linear control of engaged vibration, the ratio of repulsive force and attractive force is designed to equal. The actuator system will be applied to an active vibration control system for precise vibration suppression. In this paper, the actuator structure and its important sizes are calculated by RMS and FEM analysis.

• Asia Marketing Journal
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• 제22권4호
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• pp.47-62
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• 2021

Good storytelling is at the heart of BTS as both a brand and a band. Modern brands know that story is no longer an option, but a requirement for keeping audiences engaged. With their consistent and creative reliance on story, BTS has transformed the K-Pop landscape, providing a framework for others in the industry that relies on open-structure narratives, sincerity, and active audience engagement, among other components. To investigate BTS's storytelling strategies, this article breaks down how stories permeate BTS's content, from music and videos to the Bangtan Universe and documentary films. The importance of transmedia storytelling and participatory audiences is also examined. The analysis resulted in a proposed framework that suggests the following components: 1) story as central to the brand; 2) authenticity and sincerity; 3) idol participation in creative output; 4) use of transmedia storytelling and story gaps; 5) intertextuality and cohesion; 6) opportunities for audience engagement; and 7) dedicated creative staff. Utilizing this framework can help K-Pop groups elevate their brands, better use storytelling elements, and gain larger, more engaged audiences.

• 한국농업기계학회:학술대회논문집
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• 한국농업기계학회 2005년도 하계 학술대회 논문집
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• pp.68-73
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• 2005