• KOREAN JOURNAL OF CROP SCIENCE
• /
• v.32 no.4
• /
• pp.417-424
• /
• 1987

The seeds of three barley varieties of which initial seed vigor were different were used to measure seed vigor of accelerated aging techniques. A vigor index derived from the product of percent germination and plumule length was used to estimate seed vigor. The index was compared with the results of other tests. The results of warm germination test well suited to the measurements of seed vigor at the advanced stages of seed deterioration. Other vigor measurements except ATP and GADA values, showed close relationships with the vigor index. The measurements of plumule length in cold test and tetrazolium test were found to be appropriate for predicting seed quality.

• The Journal of the Korea Contents Association
• /
• v.15 no.6
• /
• pp.616-631
• /
• 2015

This study proposes a mobile Augmented Reality (AR)-based "word card" learning tool for children aged 3 to 5. First, this study suggests a learning structure to improve motivation and immersion of learning, Secondly, it designs and implements the user interface applying the proposed learning structure. Also, it designs a content management tool supporting the production of the content so that instructors can easily manage the contents for various learners. This study is conducted by four steps - reference research, design of "word card" learning content for the learner, design of content management tool for the instructor and the effectiveness verification of the proposed content. The proposed content was designed based on an education content architecture for enhancement of immersion and motivation to study. Moreover, it includes an 'AR content management tool for instructor' designed to easily update AR education content. The class for six children aged 3 to 5 was given to validate the enhancement of immersion to study. Experiment results showed that the proposed content enhanced the study immersion and that special interaction design for early children was necessary.

• Korean Journal of Childcare and Education
• /
• v.6 no.3
• /
• pp.23-44
• /
• 2010

This study analyzed the relationships mother's discipline style, preschooler's emotional regulation strategies, and preschooler's leadership. The subjects were 180 preschoolers who were 5 years old and their mothers live in Gwang-ju and Jeon-Nam province. Collected data were analyzed by descriptive statistics, Pearson's correlation, and stepwise regression analysis using the program of SPSS. The findings of the study were as follows. (1) there was a difference between the average score of subcategory and the total score of leadership according to the gender of preschooler and mother's employment and her educational background. However, there was no difference from the birth order of preschooler. (2) A correlation was not found between mother's discipline style and preschooler's leadership, but the significant negative correlation showed up between preschooler's emotional regulation strategies and preschooler's leadership. (3) The leadership of preschoolers who use positive coping strategies of a sub-area of emotional regulation strategies appeared strong. And the leadership appeared low with a boy who uses avoidant & supportive strategies, supportive strategies, aggressive strategies and venting strategies more often. Furthermore, the model of explanatory adequacy (R2) of some independent variables from the average scores of subcategory and the total score of leadership was confirmed to be the statistically significant explanatory model.

• The Journal of the Convergence on Culture Technology
• /
• v.6 no.3
• /
• pp.167-174
• /
• 2020

The aim of this study is to find out how the mathematics activities linked to outdoor movement activities affect children's motor abilities. S kindergarten located in Gyeonggido do conducted a fifteen week program for young children aged five years. In this study, young children's motor perfromenace test scale of Ji Sungae(2007) was conducted. Each area consists of a five-point scale. There were a total of thirty-three questions. pre-tests and post-tests were performed for young children's motor performance. t-test was used. As a result of this study, it was found that mathematics activities in connection with outdoor movement activities had a positive effect on the improvement of overall exercise ability, non-movement exercise ability, and mobility exercise ability of young children. Based on the results of this study, it is expected that various programs for young children integrated with outdoor motor activities will be developed and applied to the site.

• Korean Journal of Childcare and Education
• /
• v.10 no.1
• /
• pp.111-129
• /
• 2014

This study investigated the effects of maternal acceptance attitudes towards children's emotional expressiveness and children's emotional intelligences on peer interaction. A total of 145 Korean mothers with children from 3-5 years old and children's teachers were selected from 4 kindergartens and 6 daycare centers in Incheon and Kyunggi areas. The results were as follows. First, generally, children's emotional intelligence was significantly different depending on gender of the children. Second, there was no difference based on age and gender in maternal acceptance attitudes towards a child's positive emotional expressiveness, but there was a difference based on gender in maternal acceptance attitudes toward a child's negative emotional expressiveness. Third, the children's positive peer interaction was significantly different depending on gender of the children, but the children's negative peer interaction was significantly different based on age and gender of the children.

• Korean Journal of Child Studies
• /
• v.31 no.1
• /
• pp.179-195
• /
• 2010

미국의 한국계 이민가정이 해마다 증가하고 있으나 부모의 문화적응과 자녀양육에 관한 연구는 미흡한 실정이다. 본 연구는 미국 동부지역의 88명의 한인 이민어머니와(M=35.9세 SD=3.77) 2-6세 유아를(M=4.29세 SD=1.06; 49.4% 여아) 대상으로 실시되었다. 어머니의 문화적응 유형에 따라 1) 양육실제에 어떠한 차이가 있는지, 2) 유아의 사회 정서적 행동에는 어떠한 차이가 있는지, 3) 양육실제와 아동의 사회 정서적 행동간에 어떠한 상관이 있는지를 살펴보았다. 연구결과, 한국과 미국문화를 균형지게 통합한 어머니들이 미국문화에서 고립되거나, 두 문화에서 모두 소외된 어머니들보다 자녀에게 더욱 긍정적인(애정표현, 합리적 문제해결, 자율성 격려) 양육실제를 사용하였으며 자녀들 또한 정서적 문제행동은 적은 반면 친사회적 행동은 높은 것으로 나타났다.

• Journal of the Korea Academia-Industrial cooperation Society
• /
• v.19 no.8
• /
• pp.441-448
• /
• 2018

This study examined the effects of Children's Social Development and Picture Representation Ability on Wordless Picture Books Activities. The study subjects were 30 children aged 3 years in K kindergarten: 15 in the experimental group and 15 in the comparative group. The experimental group was exposed to Wordless Picture Books Activities for 8 weeks. Image representation ability and social development test were conducted in both groups before and after the study. The after Wordless Picture Books Activities were found to be effective in linking various colors, detailed descriptions, harmonious spatial representations, various shapes, subject-related representations, uniqueness of representations, completeness of figure representations, and language representations. These study results are expected to validate the educational value of the wordless picture books meaningfully as teaching-learning materials in the field of early childhood education.

• Korean Journal of Childcare and Education
• /
• v.10 no.5
• /
• pp.249-272
• /
• 2014

The purpose of this research is to investigate the differences between early childhood teacher's perception and implementation of the composition direction and details of 5 criteria of "Nuri curriculum by age for 3 to 5 year-olds". As basic research data, this research is to contribute to understand the actual needs of on-spot teacher training, in the early implementation stage of Nuri curriculum, and to be used as basic data to effectively support and execute teacher training, so that "Nuri curriculum by age for 3 to 5 year-olds" can settle as educational basis of stable educational policy in the future. This research used PASW 18.0 program to analyze the difference of early childhood teachers' perception and implementation about Nuri curriculum. Results of this study were as follows; First, the general trend of early childhood teachers' perception and implementation was analyzed by average and standard deviation. Second, to see the difference between perception and implementation of Nuri curriculum for the entire group of early childhood teachers surveyed, matching sample t-test was used.

• Journal of the Korea Academia-Industrial cooperation Society
• /
• v.20 no.4
• /
• pp.169-176
• /
• 2019

This study investigated the effects of mother's psychological control and of teacher-child interaction on young children's self-regulation. Data were collected by surveying 358 young children, their mothers and their 28 teachers. Data were analyzed with statistics using the SPSS Win 18.0 version. The study results are as follows. Mother's psychological control and teacher-child interaction had a significant effect on infant self-regulation. Between them, the child-teacher interaction had a greater effect than the mother's psychological control, affecting emotional regulation more than behavioral regulation. The study results confirmed the mother's psychological control and the interaction of the child-teacher as the variables affecting the children's self-regulation. These results highlight the necessity of continuing education on mother's discipline and teacher's interaction and development of educational program for early childhood pre-service teachers.

• Korean Journal of Environment and Ecology
• /
• v.31 no.6
• /
• pp.595-605
• /
• 2017

This study was intended to investigate the effects of after-school forest healing programs on the pro-social behavior and self-efficacy of young children using the attributes of forest and the forest healing factors. The children attending a kindergarten located in ${\bigcirc}{\bigcirc}$ - dong, Cheongju city were divided into a test group which participated in the forest healing program activities and a control group which participated in the regular programs of the kindergarten but not in the forest healing program. Each group consisted of 20 boys and girls aged 3 to 5 years. The forest healing program was conducted once a week from 10 April to 10 July in 2017 for a total of 12 sessions, and each session lasted one hour (60 minutes). The pro-sociality behavior and self-efficacy test of the children was conducted before and after the forest healing program, and the data were analyzed using SPSS 18.0 program. The result showed that the pro-social behaviors that indicated the ability to execute the positive action and the self-efficacy that indicated the self-confidence were statistically significant (p<0.05). The young children who participated in the forest healing program improved their self-esteem through positive thoughts from being with their peer in nature. Moreover, they increased not only ecological knowledge but also consideration for others and cooperative spirit. They also greatly improved the ability to control personal emotion and the ability to form the personal relationship which are the sub-factors of pro-sociality, the ability to adapt to the early childhood education institution, and the physical efficacy which is the sub-factor of self-efficacy. It was concluded that the after-school forest healing program had a positive impact on pro-social behavior and self-efficacy.