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초등학교 5~6학년군 체육과 교육과정 재구성 사례 연구
박용남(Yongnam,Park),손혁준(Hyukjun,Son),장경환(Kyunghwan,Jang),정현수(Hyunsoo,Jung),방신웅(Shinwoong,Bang) 한국초등체육학회 2024 한국초등체육학회지 Vol.30 No.2
본 연구는 초등학교 5~6학년군 체육과 교육과정 재구성 사례를 분석하여 학년군 체육과 교육과정 재구성을 위한 시사점을 현장에 제공하기 위한 목적으로 수행되었다. 자료는 체육전담교사 1명, 담임교사 4명, 학생 4명의 연구참여자와의 면담을 통해 수집되었다. 수집된 자료는 자료의 축소 - 자료의 진열 – 결과 도출 및 증명의 과정(Huberman & Miles, 1994)에 따라 충실히 분석되었다. 연구 결과로 첫째, 학년별로 중영역을 구분하지 않은 학년군 체육과 교육과정 재구성 사례를 제시하였다. 둘째, 재구성된 교육과정의 교육적 효과로 학습자의 신체활동 선호 반영, 반복 및 심화의 나선형 교육과정 효과, 교사의 효율적인 수업 준비과정과 높은 수업 완성도, 정과외 신체활동의 활성화 및 연계 강화가 도출되었다. 셋째, 학습 내용의 집중 및 분산에 대한 교사들 사이의 의견 충돌, 재구성 교육과정과 일치하지 않는 교과서와 전출입 학생의 학습 중복 및 공백 발생 문제가 교육과정 재구성 및 운영의 어려움으로 밝혀졌다. 결론에서는 현장 교사들의 적극적인 체육과 교육과정 재구성, 학년군제를 십분 활용한 체육과 교육과정의 운영, 초등교사의 교육과정 재구성 전문성을 함양하는 교사 교육의 필요성을 강조하였다. The purpose of this study was to analyze the case of redesigning the physical education curriculum in for grades 5 and 6 to provide the field with implications for redesigning the physical education curriculum in elementary school. The data were collected through interviews with a PE specialist, four classroom teachers, and four students. The collected data were analyzed faithfully following the process of data reduction - data presentation - results and proof (Huberman & Miles, 1994). The findings of this study include; first, a case for redesigning the physical education curriculum for grades cluster that does not separate the middle domain by grade level. Second, the educational effects of the redesigned curriculum included reflecting learners' preferences for physical activity, the spiral curriculum effect of repetition and deepening, efficient lesson preparation and high lesson completion by teachers, and strengthening the activation and linkage of extracurricular physical activity. Third, disagreements among teacher participants about the concentration and dispersion of learning content, textbooks that do not match the restructured curriculum, and duplication and gaps in learning for students who move in and out of school were identified as difficulties in redesigning and operating the curriculum. The conclusion emphasized the need for teachers to actively redesign the PE curriculum, the operation of the PE curriculum using the grades cluster system, and teacher education to foster the expertise of redesigning the PE curriculum.
Lee, Minseob,Kim, Shinwoong,Park, Hong-June,Sim, Jae-Yoon IEEE 2019 IEEE journal of solid-state circuits Vol.54 No.1
<P>This paper presents a synthesized fractional-N digital phase-locked loop (PLL) with a speculative dual-referenced interpolating time-to-digital converter (DI-TDC). The DI-TDC measures a fractional phase by referencing two adjacent quadrant boundaries which are given by a four-phase digitally controlled oscillator (DCO). It achieves a robust gain matching to the first order without need of any calibration. By predicting a time region of interest for the next TDC conversion, the power and area overheads for DI-TDC is minimized. Except for DCO and a reference delay chain, the PLL is implemented with register-transfer level (RTL) behavioral descriptions followed by an automated synthesis. It is fabricated in 28-nm CMOS with an active area of 0.0043 mm<SUP>2</SUP>. The PLL shows a wide frequency lock range operating at a supply voltage from 0.3 to 1.2 V, achieving a stable figure-of-merit of better than −220 dB for a supply voltage above 0.6 V.</P>
ColloGram : A Collocation Family Analysis Program
Dongkwang Shin,Yuah Chon,Shinwoong Lee,Myongsu Park 한국코퍼스언어학회 2016 Corpus Linguistics Research Vol.2 No.-
The analyses of collocations in the existing collocation programs have often been based on the repetition of ‘N-gram’ patterns rather than a specific collocation list. In comparison, ColloGram bases its analysis on a collocation list from the Corpus of Contemporary American English (COCA) (1990-2015), a 5 hundred-million-word corpus. For the development of ColloGram, the corpus compiled during the period of 1990-2009 (a 4 hundred- million-word corpus), which became available in 2014 to the public, was utilized for the program. ColloGram is a collocation analysis program named from the compound, Collocation and N-gram or Program. The functions of this program benchmarked those of the RANGE, the vocabulary analysis program, by Heatley and Nation (2002).
DC-free on-axis holographic display using a phase-only spatial light modulator
Cho, Jaebum,Kim, Soobin,Park, Shinwoong,Lee, Byoungho,Kim, Hwi The Optical Society 2018 Optics letters Vol.43 No.14
<P>A DC-noise-free on-axis holographic display scheme using a phase-only spatial light modulator (SLM) is proposed. The origin of DC noise in the on-axis holographic display using a phase-only SLMis analyzed, and a DC noise rejection filter is optimized for a phase-only SLM is designed. A novel two-step iterative Fourier transform algorithm for the optimal synthesis of a phase-only computer-generated hologram using the proposed scheme is devised. The proposed scheme and algorithm are validated with numerical simulations and experiments. (C) 2018 Optical Society of America</P>
Lee, Jaewook,Jeong, Jun-Hyun,Park, Shinwoong,Lee, Kwang-Geun Elsevier 2018 FOOD CONTROL Vol.92 No.-
<P><B>Abstract</B></P> <P>The concentrations of eight polycyclic aromatic hydrocarbons (PAHs) in various processed foods and their raw materials in Korea were investigated. The samples were initially divided into ten major food groups: cereals, nuts, fruit, meat, fish and shellfish, beverage, seasoning, pulse crops, vegetables and eggs. Among those samples, PAHs were detected in 20 food items of 7 major food groups: cereals, nuts, fruit, meat, fish, beverages and seasoning. The detected concentrations of the eight PAHs was in the range 0.08–11.97 μg/kg. Regarding risk assessment, the chronic daily intake of PAHs ranged from 1.08 × 10<SUP>−9</SUP> to 2.93 × 10<SUP>−5</SUP> in the total population and 1.74 × 10<SUP>−7</SUP> to 2.94 × 10<SUP>−3</SUP> in the intake group. Also, the margins of exposure were 1.20 × 10<SUP>7</SUP> in the total population and 5.64 × 10<SUP>5</SUP> in the intake group, with incremental lifetime cancer risks of 2.03 × 10<SUP>−8</SUP> and 6.35 × 10<SUP>−6</SUP>, respectively.</P> <P><B>Highlights</B></P> <P> <UL> <LI> PAHs in various foods in Korea were investigated. </LI> <LI> PAHs were detected in 20 food items of 7 major food groups. </LI> <LI> 8 PAHs were in the range 0.08–11.97 μg/kg. </LI> <LI> MOE was 1.20 × 10<SUP>7</SUP> in the total population. </LI> </UL> </P>
신동광 ( Shin Dongkwang ),전유아 ( Chon Yuah ),이신웅 ( Lee Shinwoong ),박명수 ( Park Myongsu ) 한국멀티미디어언어교육학회 2017 멀티미디어 언어교육 Vol.20 No.2
As a part of lexical knowledge, the present study attempted to develop an English collocation proficiency test to measure the size of second language learners` collocation knowledge. The existing collocation tests, such as DET (Eyckmans, Boers, & Demecheleer, 2004), CONTRIX (Revier, 2009), and COLLEX/COLLMATCH (Gyllstad, 2009), were developed as achievement tests or could only test some specific types of collocations (e.g. Verb + Noun collocations). To address this deficiency, a new Collocation Size Test (CST) was developed using the recently constructed General Service Collocations (GSC) (Shin, Chon, Lee, & Park, 2017) which was first extracted from the large-scale Corpus of Contemporary American English (COCA) and then refined by comparing 8 representative reference corpora, such as Freiburg-Brown Corpus, Freiburg-LOB Corpus, and Australian Corpus of English. The test of so-called GSC CST is based on the first 10 levels of GSC with 10 items at each level. Five of the items measured meaning recognition while the others assessed the learners` ability to recognize the correct form of collocations. Each item could be considered as representing knowledge of 50 collocations within the collocation band. In the validation process of GSC CST, the test showed a reliability of .91.
한국인 학습자와 영어 원어민의 구어 및 문어 코퍼스에 나타난 개별 어휘 및 다어휘 표현 비교・분석*
신동광(Shin, Dongkwang),전유아(Chon, Yuah),이신웅(Lee, Shinwoong),박명수(Park, Myongsu) 한국영어교과교육학회 2018 영어교과교육 Vol.17 No.2
The present study aimed to compare English non-native speaker corpora vs. English native speaker corpora for the analysis of spoken and written English. Programs BNC-COCA 25000 RANGE and COCA_MWU20 ColloGram were used to analyze frequency and lexical variety of single words and multi-word units (MWUs) in each of the four corpora: Korean EFL learners’ spoken corpus and written corpus, BNC Spoken Sampler and BNC Written Sampler. The analysis of the four corpora demonstrated: First, the Korean learners use of single word items and MWUs in the spoken and written English did not show a noticeable difference compared to the native speakers use of the same lexical items. Second, more than 90% of the single words consisted of items from the first 5,000 words whereas 70% of the MWUs were made up of those from the first 2,500 MWUs. Third, similar to previous studies, there was the repeated use of single words and MWUs in spoken English while a wider range of expressions were used in written English. Fourth, the results of the analysis indicated that the Korean learners were exposed to different opportunities for English vocabulary learning compared to native speakers, which may lead to Korean learners’ inefficient learning of vocabulary. Implications are further discussed for improved vocabulary learning.