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공공기관 구성원의 동기부여와 문화적 메타인지가 개인 창의성에 미치는 영향: 지식공유의 매개효과
박종범(Jong-Bum Park),서영욱(Young-Wook Seo) 한국산학기술학회 2022 한국산학기술학회논문지 Vol.23 No.11
본 연구의 목적은 내재적 동기부여, 외재적 동기부여, 문화적 메타인지, 지식수집, 지식기부, 개인 창의성과의 관계를 실증 분석하여 공공기관의 조직 및 구성원 발전에 기여할 수 있는 바람직한 발전방향을 제시하고 공공기관의 부정적인 인식을 조금이나마 개선시키고자 위함이다. 자료수집의 대상은 국내의 공공기관에서 근무하는 구성원을 대상으로 하였다. 설문조사는 2022년 05월23일부터 06월07일까지 전문설문기관에 의뢰하여 총 200부의 설문지를 받았다. 불성실한 설문지 16부를 제외한 유효한 데이터 184부를 사용하였다. 통계분석 프로그램인 SPSS 23.0과 SmartPLS 3.0을 활용하여 연구데이터를 분석하였다. 연구의 결과는 내재적 동기부여는 지식수집에 지식 수집은 개인 창의성에 부(-)의 영향을 미치는 것으로 나타났다. 이는 기존문헌 고찰에 의하면 내재적 동기부여 연구에 의하면 대부분이 정(+)의 영향을 미치는 결과와는 대조적인 결과이다. 본 연구의 의의는 첫째 동기부여와 창의성에 대한 연구는 대부분이 내재적 동기부여에 편중되어 있다. 이에 외재적 동기부여 연구는 기존에 연구가 많이 진행되지 않은 현 상황에 공공기관을 대상으로 실증분석 하였다는데 의의가 있다. 둘째 지식공유에서 지식의 보유 자체는 의미가 없으며 공유하고 활용될 때 더욱 더 창조· 확대된다는 것을 보여주는 실증분석 사례로서 의의가 있다. This study was undertaken to analyze empirical relationships between intrinsic motivation, extrinsic motivation, cultural metacognition, knowledge collection, and knowledge donation on individual creativity with the aim of presenting development directions and improving negative perceptions of public institutions. Data collection targeted individuals working in Korean public institutions. The survey was commissioned by a professional survey agency and conducted from May 23 to June 07, 2022. Two hundred questionnaires were completed, and the data in 184 were subjected to analysis, which was performed using SPSS 23.0 and SmartPLS 3.0. Results showed intrinsic motivation was positively related to knowledge collection and that knowledge collection negatively (-) affected individual creativity. This result contrasts with the majority of previous studies on the topic, which found that knowledge collection had a positive (+) effect on intrinsic motivation. We believe our results are meaningful because previous studies on motivation and creativity have focused on intrinsic motivation, whereas the present study includes an analysis of the effects of external motivation on individuals working in public institutions. Furthermore, the study shows that possession of knowledge per se is meaningful, as empirical analysis demonstrated that knowledge is enhanced when shared and utilized.
인삼 캘러스로부터 분리 및 배양된 원형질체의 전자현미경적 연구
박종범 (Jong Bum Park) 한국식물학회 1994 Journal of Plant Biology Vol.37 No.2
Ultrastructural changes of the isolated and cultured protoplasts from ginseng (Panax ginseng C.A. Meyer) rhizome-callus were studied with transmission and scanning electron microscopy. The freshly isolated protoplasts contained much more small vaculoes, smooth endoplasmic reticulum, and cytosegresomes than callus cells. The smooth endoplasmic reticulum were arrayed parallelly to the plasmalemma, and often surrounded a portion of cytoplasm from which cytosegresomes were formed. The cytosegresomes transformed into vacuoles. In the cultures protoplasts, the cell organelles such as rough endoplasmic reticulum, dictyosome, ribosome, mitochondrion, proplastid, and vaculoe were obviously increased in number as compared with those of the isolated protoplasts. Vesicles derived from the dictyosome were evenly distributed in the cytoplasm. Some of such vesicles were involved in the protuberances, which were formed by outgrowth of a portion of cytoplasm limited by plasmalemma. Fibrils observed on the outer surface of the cultured protoplasts were interpreted as the component of new cell walls.
박종범(Jong Bum Park) 한국생명과학회 2007 생명과학회지 Vol.17 No.10
3가지 농도의 납을 첨가한 토양에서 생장한 애기장대(Arabidopsis thaliana)에서 식물체에 축적된 납의 농도를 조사하였다. 환경부 고시 오염물질 배출기준 농도(1 ㎎/l)와 10배 높은 농도(10 ㎎/l) 및 50배 높은 농도(50 ㎎/l)의 납이 첨가된 토양에서 생장한 식물의 줄기에 축적된 납의 농도는 3가지 농도에서 증가율이 유사하게 나타났으며, 정상식물 줄기에 비하여 평균 약 24% 증가하였다. 3가지 농도의 납이 첨가된 토양에서 생장한 식물의 잎에 축적된 납의 농도는 정상 식물 잎에 비하여 평균 약 57% 증가하였으며, 줄기와 마찬가지로 토양에 첨가된 납의 농도 증가에 따라 잎에 축적된 납의 농도는 유의한 차이는 나타나지 않았으며 증가율도 유사하였다. 반면 오염물질 배출기준 농도와 10배 높은 농도의 납이 첨가된 토양에서 생장한 식물의 뿌리에 축적된 납의 농도는 정상식물 뿌리에 비하여 평균 약 114% 증가하였으나, 50배 높은 농도에서는 약 861% 증가하여 줄기나 잎과는 대조적인 결과를 나타내었다. 토양 속에 첨가된 납의 농도가 증가하면 애기장대 식물체 내에 축적된 납의 농도도 증가하였는데, 특히 오염물질 배출기준농도보다 50배 높은 납이 첨가된 토양에서 생장한 식물체내에 축적된 납 농도는 정상식물보다 약 2.6배 증가하였다. 이러한 결과는 토양 속에 오염된 납은 식물의 줄기나 잎보다는 뿌리에 더 많이 축적되며, 줄기와 잎에 축적되는 납 농도는 토양 속에 오염된 납 농도에 비례하여 증가하지 않으나 뿌리에서는 농도에 비례하여 매우 증가하였음을 나타내고 있다. This study was to examine the accumulated concentration of lead in the organ of Arabidopsis thaliana grown in the soil added three different concentrations of lead. The accumulated concentrations of lead in the stem of plant grown in the soil added official standard concentration of lead of pollutant exhaust notified by the Ministry of Environment (1 ㎎/l), concentration ten times higher than the official standard concentration (10 ㎎/l) and concentration fifty times higher (50 ㎎/l) were similar to the rate of increase between three different concentrations, and increased average 24% compared with normal plant stem. The accumulated concentrations of lead in the leaf of plant grown in the soil added three different concentrations of lead were increased average 57% compared with normal plant leaf. And accumulated concentrations of lead in the leaf was no significant difference according to increase of lead concentration added in the soil as stem, the rate of increase was similar to between three different concentrations. The accumulated concentrations of lead in the root of plant grown in the soil added official standard concentration of lead of pollutant exhaust and concentration ten times higher were increased average 114% compared with normal plant root, but increased about 861% in the concentration fifty times higher than the official standard concentration. This result contrast with the data of stem and leaf. The accumulated concentration of lead in the plant body of Arabidopsis thaliana was increased according to increase of lead concentration added in the soil. Especially, the accumulated concentration of lead in the plant body grown in the concentration fifty times higher than the official standard concentration was increased about 2.6 times than normal plant. These results show that lead contaminated within the soil was more accumulated in the root than the stem or leaf, and accumulated concentrations of lead in the stem and leaf were not increased in proportion to the concentration of lead in the soil, but very increased in proportion to the concentration in the root.