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3세 가정양육환경과 초등 1학년 학업수행능력간의 종단적 관계: 집행기능곤란의 매개효과
윤종승,김연하 육아정책연구소 2024 육아정책연구 Vol.18 No.1
본 연구는 3세 가정양육환경과 초등 1학년 학업수행능력간의 종단적 관계에서 집행기능곤란 매개효과를 알아보고자 하였다. 이를 위해 한국아동패널에서 추출한 아동 976명의 자료를 활용하였으며, SPSS Process Macro를 사용하여 분석하였다. 주요 결과는 다음과 같다. 첫째, 3세 가정양육환경이 높을수록 초등 1학년 학업수행능력이 높아지는 것으로 나타났다. 둘째, 3세 가정양육환경과 초등 1학년 학업수행능력 간의 관계에서 집행기능곤란이 매개적 역할을 하는 것으로 나타났다. 이러한 결과는 초등학생의 학업수행에 있어 유아기 가정양육환경의 중요성을 시사하며 집행기능의 역할을 새롭게 조명하고 있다. 본 연구의 결과를 바탕으로 초등학생의 학업수행 능력 증진을 위한 구체적인 지원방안과 정책을 제안하였다. This study aimed to investigate the mediating role of executive function difficulties in the longitudinal relationship between the home-rearing environment at age three and academic performance in first grade. Data from 976 children in the Panel Study on Korean Children were analyzed using the SPSS Process Macro. The main results are as follows: first, a higher-quality home-rearing environment at age three was associated with better academic performance in the first grade. Second, difficulties in executive function were found to mediate the relationship between the home-rearing environment at age three and academic performance in first grade. These results highlight the importance of the early home-rearing environment for academic performance in elementary school and shed new light on the role of executive function. Based on the findings, specific support measures and policies to enhance the academic performance of elementary school students are proposed.
유아기 자녀를 둔 아버지의 Big5성격유형에 따른 양육참여 및 양육스트레스
윤종승 한국보육지원학회 2022 한국보육지원학회지 Vol.18 No.6
Objective: The purpose of this study was to examine the differences in parental involvement and parenting stress according to the father's personality type. Methods: The subjects of this study were 302 fathers with children aged three to five living in Seoul, and a survey was conducted on their Big Five personality types, parental involvement, and parenting stress.The collected data were analyzed using K-means cluster analysis and covariance analysis. Results: In this study, fathers' personality types were classified into four types: 'sincerity, friendship, openness'(21.5%), 'neuroticism'(27.8%), 'sincerity'(29.4%), and 'low sincerity'(21.1%). These are the exact same Fathers in the 'sincere friendly, open' group showed higher parental involvement and lower parental stress, while fathers in the 'neurotic' group showed lower parenting involvement and higher parenting stress. Conclusion/Implications: There was a difference in parental involvement and parenting stress according to the father's personality type.Based on these results, it is expected that the understanding of the father 's personality will be come clearer and the foundation for constructing a program related to parenting which considers personality types will be established.
이건준,윤종승,김전,김정훈,이영백 한국물리학회 2006 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.48 No.6
We studied the correlation between the microstructures and the optical diffraction properties in femtosecond-laser-induced gratings of an amorphous Co2MnSi (a-Co2MnSi) film. The a-Co2MnSi thin film was deposited on a glass substrate by using magnetron sputtering, and the crystallization of the a-Co2MnSi film was performed using two-beam interference of near-infrared femtosecondlaser pulses. For the femtosecond-laser-interference crystallization using two 120-μJ laser beams, the diffraction intensity slowly increased with the laser shot count until it reached a maximum intensity around 25900 laser shots; then, the diffraction intensity gradually decreased. From the cross-sectional and the plan-view transmission-electron-microscopy images of the laser-crystallized Co2MnSi regions, the crystallization reached deeper into the sample film under an optimized fluence condition. Meanwhile, a lower fluence beam resulted in a partially crystallized film, and a higher fluence beam made a partially damaged film. The femtosecond-laser-induced gratings consisted of alternating semicrystalline-Co2MnSi and polycrystalline-Co2MnSi bands with a period of about 2-μm.
Femtosecond Laser Surface Structuring of Amorphous and Crystalline Silicon
이건준,오차환,윤종승,김은규,정현식,장진,손용덕,이영백 한국물리학회 2006 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.48 No.6
The surface structuring of amorphous and crystalline silicon was performed by using femtosecondlaser- induced phase transformations: i) amorphous-to-crystalline and ii) crystalline-to-amorphous. The amorphous silicon (a-Si) films were prepared on glass substrates by using plasma-enhanced chemical-vapor deposition. Two kinds of micropatterns were produced in the a-Si films: i) a twodimensional (2D) pattern (a word ‘q-Psi’) was produced by using the inverse Fourier transform of a computer-generated hologram, and ii) laser-induced gratings (LIGs) were made by means of two-beam interference of near-infrared femtosecond-laser pulses. By using micro-Raman spectroscopy, optical microscopy, scanning electron microscopy, and transmission electron microscopy, the femtosecond-laser pulses were found to induce a localized phase transformation from the amorphous to the crystalline phase, and the spatially-selected crystallization of a-Si was found to be responsible for the formation of patterns such as the LIG and the 2D pattern. Crystalline silicon (c-Si) with a SiO2 capping layer was also periodically modified by femtosecond holography. A micro- Raman study indicated that the LIG formation in c-Si could be ascribed to the spatially-selected amorphization of c-Si. The surface structuring of amorphous and crystalline silicon was performed by using femtosecondlaser-induced phase transformations: i) amorphous-to-crystalline and ii) crystalline-to-amorphous. The amorphous silicon (a-Si) films were prepared on glass substrates by using plasma-enhanced chemical-vapor deposition. Two kinds of micropatterns were produced in the a-Si films: i) a twodimensional (2D) pattern (a word ‘q-Psi’) was produced by using the inverse Fourier transform of a computer-generated hologram, and ii) laser-induced gratings (LIGs) were made by means of two-beam interference of near-infrared femtosecond-laser pulses. By using micro-Raman spectroscopy, optical microscopy, scanning electron microscopy, and transmission electron microscopy, the femtosecond-laser pulses were found to induce a localized phase transformation from the amorphous to the crystalline phase, and the spatially-selected crystallization of a-Si was found to be responsible for the formation of patterns such as the LIG and the 2D pattern. Crystalline silicon (c-Si) with a SiO2 capping layer was also periodically modified by femtosecond holography. A microRaman study indicated that the LIG formation in c-Si could be ascribed to the spatially-selected amorphization of c-Si.