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대학 태권도 겨루기 선수들의 운동자기도식이 운동몰입 및 운동지속의사에 미치는 영향
박경훈(Park, Kyeong-Hoon),정명규(Jung, Myung-kyu) 한국무예학회 2021 무예연구 Vol.15 No.4
본문은 대학 태권도 겨루기 선수들의 심리적 특성에 맞는 실증적인 운동지속의사 증진 전략마련에 대한 기초자료 제공의 목적에서 운동자기도식과 운동몰입, 운동지속의사의 관계를 규명한 연구이다. 연구목적을 달성하기 위하여 본문에서는 비확률 표집방법의 유목적 표집방법을 이용하여 현재 대학에서 활동하고 있는 겨루기 선수들을 모집단으로 총 300부를 수집하였으며, 그중 불성실한 응답 30부를 제외한 최종 270부를 분석자료로 활용하였다. PASW/Win ver. 25.0을 통하여 빈도분석과 탐색적 요인분석, 그리고 신뢰도 분석과 상관분석, 다중회귀분석을 진행하였고, 다음과 같은 결과를 얻었다. 첫째, 운동자기도식의 하위요인인 행동적 자기도식, 인지-감정적 자기도식은 운동몰입에 긍정(+)적인 영향을 미쳤다. 둘째, 운동자기도식의 하위요인인 행동적 자기도식, 인지-감정적 자기도식은 운동지속 의사에 긍정(+)적인 영향을 미쳤다. 셋째, 운동몰입의 하위요인인 인지몰입과 행위몰입은 운동지속의사에 긍정(+)적인 영향을 미쳤다 The objective of this study is to examine the effects of exercise self-schema on the exercise flow and exercise adherence intention of university Taekwondo sparring athletes, in order to provide the basic data for establishing the strategies to practically improve the exercise adherence intention suitable for the characteristics of university Taekwondo sparring athletes. To achieve the objective of this study, total 300 questionnaires were collected from Taekwondo sparring athletes currently working at university by using the purposive sampling of non-probability sampling method. After excluding 30 questionnaires with insincere responses, total 270 questionnaires were used for the final analysis. Through the PASW/Win version 25.0, the frequency analysis, exploratory factor analysis, reliability analysis, correlation analysis, and multiple regression analysis were conducted. In the results, first, the subfactors of exercise self-schema such as behavioral self-schema and cognitive-emotional self-schema had positive effects on the exercise flow. Second, the subfactors of exercise self-schema such as behavioral self-schema and cognitive-emotional self-schema had positive effects on the exercise adherence intention. Third, the subfactors of exercise flow such as cognitive flow and behavioral flow had positive effects on the exercise adherence intention.
고등학교 태권도 선수들의 성취목표성향이 심리기술에 미치는 영향
박경훈 ( Kyeong Hoon Park ),한명우 ( Myung Woo Han ) 한국스포츠심리학회 2016 한국스포츠심리학회지 Vol.27 No.1
Purpose: The purpose of the study was to examine the effects of achievement goal orientation on psychological skills of Korean high school Taekwondo(TKD) athletes. Methods: The subjects were 268 high school Taekwondo athletes (207 males and 61 females). In order to investigate the validity and reliability of the questionnaire exploratory factor analysis was conducted. Descriptive statistic analysis, ANOVAs, Sheffe post-hoc tests and regression analyses were performed. Results: Results were as follows. 1) There was no gender differences in achievement goal orientation were found. However, the difference was shown in skill levels(high vs. low group). 2) There were significant differences between gender and skill level in psychological skills. Task goal orientation in male influenced on th psychological factors such as will power, imagery, self-efficacy, team harmony, concentration, and goal setting, while ego orientation did only on the goal setting. In female, task orientation influenced on will power, imagery, self-efficacy, team harmony, and goal setting, while ego orientation didn’t influence at all, which reflecting the goal setting is a common achievement motivation factor in male and female. Conclusion: Results supported the previous research reflecting the importance of task orientation. In addition, the result also implies that the psychological skills influenced by motivation orientation would differ based upon the characteristics of each sport. Future directions and limitations were discussed.
바이오매스 전처리 기술에 따른 혼소 특성에 관한 실험적 연구
김종호,박경훈,김경민,박경원,정태용,이영주,전충환,KIM, JONG-HO,PARK, KYEONG-HOON,KIM, GYEONG-MIN,PARK, KYEONG-WON,JEONG, TAE-YONG,LEE, YOUNG-JOO,JEON, CHUNG-HWAN 한국수소및신에너지학회 2018 한국수소 및 신에너지학회논문집 Vol.29 No.1
Fuel blend technique is one of the most effective way of using biomass to replace the coal. Many studies on combustion characteristics with coal and biomass blends have been conducted. In this study, char reactivity and emission characteristics of coal (Suek) and biomass (EFB) blends has been investigated by TGA and DTF to evaluate the applicability of the pre-treated (torrefaction, ash removal technology) EFB to pulverized coal boiler. In all blending cases, char reactivity improved as the blending ratio increases (10, 20, and 30%), especially torrefied EFB blended at 30%. Also, unburned carbon decreased as the blending ratio increases in all types of EFB. NOx emission showed the increase and decrease characteristics according to the content of fuel-N of raw EFB and torrefied EFB. But the amount of NOx emission at ashless EFB blends is greater than that of Suek despite of lower fuel-N. It indicated that co-firing effect of using the pretreatment biomass fuel is relatively better than those of the untreated biomass fuel about char reactivity and emission characteristics.
박연기(Yeon-Ki Park),박경훈(Kyeong-Hoon Park),주진복(Jin-Bok Joo),경기성(Kee-Sung Kyung),김병석(Byung-Seok Kim),신진섭(Jin-Sup Shin),류갑희(Gap-Hee Ryu),배철한(Chul-han Bae),이규승(Kyu-Seung Lee) 한국농약과학회 2003 농약과학회지 Vol.7 No.2
A toxicological study of the pesticides for rice paddy to loach was conducted with iprobenfos 17% GR, diazinon 3% GR, and butachlor 5% GR to establish the field test method and their toxicological effects on loach under the actual field conditions. The type C of cage was more effective in the sense of a little stress from the cage. The nets for shading and for preventing the birds were necessary to maintain the water temperature and to prevent the predators. The cumulative mortality of loach exposed to iprobenfos 17% GR, diazinon 3% GR and butachlor 5% GR were 10, 55 and 22%, respectively, during 7 days of exposure. The averaged concentration of the pesticides in paddy water 2 days after application were 1.67, 0.22 and 0.26 ㎎/ℓ, and mortalities were 7, 50 and 17%, respectively, representing the similar results with acute toxicity (48h-LC??).
붉은지렁이(Lumbricus rubellus)를 이용한 농약의 급성독성 시험법 개발
박연기(Yeon-Ki Park),박경훈(Kyeong-Hoon Park),김병석(Byung-Seok Kim),경기성(Kee-Sung Kyung),신진섭(Jin-sup Shin),오병렬(Byung-Youl Oh) 한국농약과학회 2000 농약과학회지 Vol.4 No.4
A study was performed to determine the maintenance conditions of the earthworm, Lumbricus rubellus, for the acute toxicity test. To fine out climatic and soil conditions, the earthworms were maintained in artificial soil consisting of sand, clay miental and peat at different levels of conditions for 14 days. Lumbricus rubellus led to an increase of biomass at temperature 22 ± 2℃, soil pH 7.0 ± 1 and moisture 40%. And four fungicides were tested for acute toxicities to Lumbricus rubellus, according to the optimum condition. The test earthworms were exposed to each pesticide with various concentration gradients. After 14 days, the number of surviving earthworms and their weight alteration during the test period was determined. The 14-day LC?? values for the Lumbricus rubellus, of carbendazim, benomyl, thiophanate-methyl and thiabendazole were determined to be 59, 53, 64 and 36 ㎎/㎏ soil dry weight, respectively.