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메타인지적 지식과 작동기억이 메타인지적 규제 요구 과제의 성취에 미치는 영향
진화봉,이순아,김회수 한국교육정보미디어학회 2003 교육정보미디어연구 Vol.9 No.3
본 연구는 자기주도적 학습 능력의 핵심요소로 강조되는 메타인지가 작동기억의 중앙집행장치와 어떤 관계에 있는지 경험적 연구를 통해 밝히고자 하였다. 이를 위해 초등학생을 대상으로 세 개의 실험집단과 한 개의 비교집단을 구성하여, 메타인지적 지식과 작동기억이 메타인지적 규제 요구 과제의 성취도에 어떤 영향을 주는지 검토하였다. 실험 결과, 메타인지적 지식 수준이 높은 피험자는 낮은 피험자보다 메타인지적 규제를 요구하는 과제에서 더 높은 성취도를 나타냈다. 작동기억 용량에 따른 메타인지적 규제 요구 과제 성취도에 미치는 효과분석에서는 중앙집행장치와 언어적 작동기억을 제외한 시· 공간적 작동기억이 성취도에 영향을 미치는 것으로 나타났다. 그러나 시 · 공간적 작동기억 검사도구의 신뢰도가 높지 않았기 때문에 이 문제에 대한 결론을 확정하기 위해서는 추가적인 반복실험이 필요하다. 작동기억을 억제했을 때의 메타인지적 규제 요구 과제 성취도는 예측했던 대로 중앙집행장치 억제집단이 비교집단에 비해 유의미하게 낮고, 네 집단 중에서도 가장 낮은 것으로 나타났다. 이 결과는 메타인지적 규제 요구 과제가 중앙집행장치의 많은 인지적 자원을 필요로 하기 때문에 중앙집행장치 용량의 상하에 따른 성취도는 차이가 나타나지 않지만, 중앙집행장치를 억제하면 성취도는 크게 떨어지는 것으로 해석된다. 본 연구결과는 메타인지적 규제의 기능을 작동기억의 중앙집행장치가 담당하며, 메타인지적 규제능력이 높은 학습자는 자기주도적 학습에서 성공할 가능성이 높다는 것을 시사한다. 따라서 자기주도적 학습을 메타인지적 규제의 관점에서 접근하는 연구는 작동기억의 중앙집행장치를 고려해야 보다 설명력 있는 결과를 얻을 수 있을 것이다. This study was to examine the relationship between two components of metacognition and working memory that were considered as critical constructs to have influence on self-directed learning. The subjects were 140 sixth graders. They were randomly assigned to the three experimental groups and the control. Three experimental groups were given tasks requiring metacognitive regulation and concurrent working memory suppression tasks. The control group performed only the task requiring metacognitive regulation. The results of this study were as follows: The subjects with high metacognitive knowledge got higher achievement in the task requiring metacognitive regulation than the low metacognitive knowledge group. Visuo-spatial working memory span affected task performance requiring metacognitive regulation. However, because of low reliability of visuo-spatial span test additional experiments are necessary to confirm the results. As expected, the central executive suppression group showed significantly lower performance of metacognitive regulation tasks than the control group. Also the other groups got the lowest achievement. The findings suggested that the central executive would play the role of metacognitive regulation and the students with high metacognitive regulation skills would be successful in self-directed learning. It is desired that the study regarding the relationship between self-directed learning and metacognitive regulation skills consider the students' central executive capacity.
허북구,진영욱,이순봉,이동훈,한용희 順天大學校 1993 論文集 Vol.12 No.1
To establish a basic data for developing materials of dry flowers, this writer had investigated on kinds and charaateristics of commersial dry flowers in the Korean domestic markets. Of a total of one hundred and twenty-nine dry flowers which are available in the Korean markets, sixty-one products are home-made, and the others foreign-imported goods. Herbal products are sixty-seven, and the rest sixty-two are woody plants. However, fourty(65.6%) kinds of home-made products are made of herbal flowers while fourty-one(60.3%) foreign products are woody plants. With the origins of the home products, Asia is 62.3 percent, whereas 29.4 percent of the imports are of Oceanian origin, and 27.9 percent of African origin. All in all of home and foreign products, 47 kinds are of Asian origin, 23 of Oceainan origin, 22 kinds of African origin, 14 kinds of European origin, and the rest 21 kinds of other origins. Many different parts of woody plants or herbs are used for the dry flowers; the 47 priducts are made of folwers, 41 products are of fruits and/or pods, 16 products are of ears, 13 products are of leaves, and 12 products are of stems, barnches or vines According to the purposes and usages, 32 products have more than two functions, 30 products are mass flowers, 29 products are form flowers, 26 products are line flowers, and 12 products are filler flowers. As to the methods of processing and treatment, 72 kinds are only dried up in the sun, 30 kinds are treated with both bleaching and coloring, 6 kinds are treated with bleaching or coloring, 5 kinds are treated with glycerine, 3 kinds are skinned, and 7 products are treated otherwise.
허북구,이동훈,서정근,이순봉 順天大學校 農業科學硏究所 1993 農業科學硏究 Vol.7 No.-
Use of container gardens on the roadsides in Kwangju·Chonnam area was surveyed for a dta needed to make cities clean and livable. 30 different flowers were seen across area during the one-year observation. But 24 flowers except petunia, marigold, salvia, chrysanthemum(Pot Mum), flower cabbage were not so much popular. The top six popular flowers were all annuals or biennials which were easy to garden and longer duration of flower life. The 19 unpopular flowers, among which were there bulbs or tuber and woody plants, were used only in some distracts. The seven kinds of containers were noticed during the survey, and 95.8 percent containers were made of P.V.C and 64㎝×23㎝×17㎝ size. Seventy percents of the containers were located in the main streets and crossroads. Large and beautiful containers made of Mica or F.R.P. were located around public offices and bus terminals and more used yearly than made of other materials.