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      • KCI등재

        2015 교육과정 성취기준의 양상과 교육과정발전을 위한 논제

        김창원 한국초등국어교육학회 2016 한국초등국어교육 Vol.61 No.-

        All subjects of 2015 national curriculum was developed under same keywords including creativity, personality, core competency, integration and understanding by design. ‘Korean Language’ curriculum was designed to succeed 2009 national curriculum, reflect general guideline and field’s requests, specify notions of ‘Korean’ and ‘Korean Language’ subject, and revise its contents organization. Achievement standards of Korean Language curriculum was also selected, organized, and written based on informativity and communicativeness. Further, 2015 Korean Language curriculum suggests directions for teaching, learning and evaluation in detail. Achievement standards of Korean Language subject was developed based on necessity, connectivity, propriety, sequence, and continuity with in conformity of Korean Language subject’s nature and purpose. During the development process, many issues such as subject’s competence reflection matter, number of achievement standards and amount of study matter, knowledge and attitude items matter, integration potential within / between subjects matter, importance ratio adjustment due to domain fairness and development matter, explanation method according to domain properties matter, are remaining unsolved, despite they should have been solved before curriculum development. Including those unsolved issues, in order to solve problems for Korean Language curriculum’s development and prepare next curriculum, Korean education must put long-term and systematic effort. 2015 교육과정은 창의인성, 핵심 역량, 교과 통합, 이해 중심 교육과정 등의몇 가지 키워드를 바탕으로 하여 전 교과가 동일한 체재로 개발되었다. 국어과는2009 교육과정을 계승하며 총론의 지침과 현장의 요구를 반영하여 ‘국어’와 ‘국어과’의 개념을 명시하고, 선택 과목과 내용 체계를 재구성하며, 성취기준을 정보성과 소통성 중심으로 선정·조직·기술하였다. 아울러 교수·학습과 평가의 방향을 상세히 제시하였다. 2015 국어과 교육과정은 총론의 지침과 국어과의 본질·목표를 준거로 삼아필요성과 충분성, 연계성, 적정성, 계열성과 계속성의 원리를 바탕으로 성취기준을 개발하였다. 그 과정에서 교과 역량 반영 문제, 성취기준의 수와 학습량 문제, 지식·태도 항목 설정 문제, 교과 내·교과 간 통합의 가능역 문제, 영역 형평성과발달에 따른 비중 조절 문제, 영역 특성에 따른 기술 방식 문제 등, 교육과정 개발을 위해 선결해야 할 문제들이 해결되지 않은 채 남았다. 이들을 포함하여 국어과교육과정 발전에 필요한 과제를 점검하고 다음번 교육과정 개정에 대비하기 위하여 장기적이고 제도적인 국어교육계의 노력이 필요하다.

      • 유산균제(乳酸菌劑)(LBC , Streptococcus Faecium Cernelle 68) 급여가 송아지의 증체율(增體率)과 설사 예방에 미치는 영향

        김창원,맹원재,신형태 한국낙농학회 1987 韓國酪農學會誌 Vol.9 No.4

        新生 홀스타인 송아지 20두를 各各 5두씩 4개 처리구 〔무처리구(T₁), LBC-1(T₂), LBC-2(T₃), 그리고 LBC-3(T₄)〕로 나누어 분만직후부터 1주일간은 LBC 1호를 1회 2g씩 1일 2회 송아지의 입에 직접 넣어주었고 2주째부터는 이유시까지 全乳에 또는 代用乳 1ℓ에 LBC 1호를 1g씩 혼합하여 급여하였으나 이유후부터는 어린송아지 사료 1㎏ 당 2g의 LBC 2호를 혼합하여 90일령까지 급여한 후 증체율, 사료섭취량 및 사료효율과 설사발생일수를 조사하였으며 그 結果는 다음과 같다. 新生 홀스타인 송아지의 평균 生時體重은 41.2㎏이었으며 90일령의 평균체중은 77.3㎏으로서 1日平均 增體量은 622.2g이었다. LBC 급여는 모든 처리구에서 무처리구보다도 증체율이 높았으며 生後부터 90일까지의 日當增體率은 무처리의 598.89g에 비해 LBC 급여구는 611.11∼640.00g으로 2.04∼6.87%나 높았으며, 總增體量은 무처리구가 53.9㎏이었는데 LBC처리구는 55.0∼57.6㎏으로 1.1㎏∼ 3.7㎏이 더 높았다. 生後부터 90일령까지의 총사료 섭취량(母乳 (乾物)+代用乳(乾物)+어린송아지사료)은 무처리가 110.78㎏ 이었으며 LBC처리구는 108.90∼116.56㎏으로 -1.70%∼5.22%를 나타내었고 飼料要求率은 무처리의 2.06%에 비해 1.94∼2.02㎏으로 1.94∼5.83%가 改善되었다. 生後부터 90일령까지 처리당 5마리의 송아지의 총설사 발생일수는 무처리가 19일이었고 LBC급여구는 10∼11일로서 크게 감소되었으며 가장 설사가 심한 일령은 모든 처리구 모두 8∼36일 범위였다. Effects of the administration of lactic acid bacteria concentrate (LBC, Streptococcus faecium cernelle 68) to dairy calves were investigated with 20 new born Holstein calves. Four treatments and 5 animals per treatments were control and 3 groups of LBC which were only different in carrier. LBC was given directly into the mouth twice a day and 2 g each for the first week and added 1 g/l of whole milk or milk replacer for the second weeks up to weaning, and then LBC was added 2g/㎏ of calf diet and fed up to 90 days. Average birth weight and 90 day body weight of all calves were 41.3 ㎏ and 97.3 ㎏, respectively, and average growth rate was 622.2 g/day. Body weight gains from birth to 90 days were 53.9 ㎏ in the control group and 55.0 - 57.6 ㎏ in the LBC fed groups and average daily gains were 598.89 g in the control group and 611.11 - 640.00 g in the LBC groups which were 2.04 - 6.87% higher than the control. Total feed intakes from birth to 90 days (whole milk (DM) + milk replacer (DM) + calf starter) were 110.78 ㎏ in the control and 108.90 - 116.59 ㎏ in LBC groups and feed conversions were 2.08 ㎏ in control and 1.94 - 2.0 ㎏ in LBC groups which were improved 1.94 - 5.85% over control group. Incidence of souring was highest during 8 to 36 days after birth and were considerably higher in control group as compared with LBC groups.

      • KCI등재

        Decision-making Reliability Estimation Model based on Building Construction Project Participants` Experience

        김창원,김백중,유위성,조훈희,강경인 한국건축시공학회 2013 한국건축시공학회지 Vol.13 No.2

        Generally, building construction projects have a complex decision-making process because of the participation of various agents. In this situation, a final decision is arrived at by relying on subjective judgments based on the experience of project participants. For this reason, a method of assessing the objectivity of opinions is needed. In previous studies, the multi-criteria decision making method was applied to arrive at a final decision objectively, but this method has a limitation, in that the experience of each decision maker is not considered differently in the decision making process. Therefore, this study proposed a theoretical model using the S-shaped growth curve and regression analysis by building construction project type to quantitatively estimate decision-making reliability according to the experience of individual project participant`s. The developed model could be added to the Multi-criteria decision making method, and secure the objectivity and reliability of project participants` final opinion.

      • KCI등재

        Toxicological Evaluation of Saposhnikoviae Radix Water Extract and its Antihyperuricemic Potential

        김창원,성재혁,권정은,류현열,송경석,이진규,이성률,강세찬 한국독성학회 2019 Toxicological Research Vol.35 No.4

        Although the dried root of Saposhnikovia divaricata (Turcz.) Schischk. (Umbelliferae) is a popular medicinal plant in East Asia, there has been no systemic toxicological evaluation of a water extract of Saposhnikoviae Radix (SRE). In this experiment, an oral acute and 13-week subchronic toxicological evaluations of SRE (500-5,000 mg/ kg body weight) were performed in both sexes of Crl:CD(SD) rats. Based on the results from mortality, clinical signs, effects on body weight and organ weight, clinical biochemistry, hematology, urinalysis, and histopathology, significant acute, 4-week repeated dose range finding (DRF) and 13-week subchronic toxicity of SRE was not observed in either sex of rats; thus, the no observed adverse effect level (NOAEL) was 5,000 mg (kg/day). To identify anti-hyperuricemia potential of SRE, the suppressive effect of SRE was determined in mice challenged with potassium oxonate (PO; 250 mg/kg) via intraperitoneal injection for 8 days (each group; n = 7). SRE supplementation suppressed the uric acid level in urine through significant xanthine oxidase (XO) inhibitory activity. Kidney dysfunctions were observed in PO-challenged mice as evidenced by an increase in serum creatinine level. Whereas, SRE supplementation suppressed it in a dose-dependent manner. Collectively, SRE was safe up to 5,000 mg (kg/day) based on NOAEL found from acute and 13-week subchronic toxicological evaluations. SRE had anti-hyperuricemia effect and lowered the excessive level of uric acid, a potential factor for gout and kidney failure.

      • KCI등재

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