Goal-based Scenarios (GBS) 모형을 적용한 웹기반 교육용 컨텐츠의 설계 및 개발 연구

조규락,조영환,김미경,성봉식 한국컴퓨터교육학회 2004 컴퓨터교육학회 논문지 Vol.7 No.5

인터넷이라는 새로운 IT기술을 교육현장에서 적극적으로 활용해야 한다는 강한 요구에도 불구하고 웹기반 교육의 정착은 미흡한 실정이다. 그 원인은 현재 웹기반 교육이 전통적 교실수업과 질적으로 다르지 않고 웹기반 교육에 적합한 설계모형들이 충분히 개발되지 않았기 때문이다. 본 연구자들은 구성주의 학습관에 기반한 GBS 설계모형을 이용하여 도서관 이용에 관한 웹기반 교육용 컨텐츠를 개발함으로써 웹기반 교육을 개발하거나 활용하고자 하는 교사와 교육실천가들에게 구체적인 개발사례를 제공하고자 한다. 3개월 간 요구분석, 학습내용분석, 학습자 및 학습환경분석을 통해서 GBS모형을 적용한 웹기반 교육용 컨텐츠를 설계하고 GBS의 7가지 구성요소들에 충실하게 개발하였다. 본 연구의 결과들은 학교와 기업에서 새로운 형태의 웹기반 교육을 개발하고자 하는 실천가들에게 구체적인 가이드를 제공해줄 것이다. In spite of the strong request that Internet, a new IT technique, should be extensively used in classroom settings, WBI is not still wide spread. One possible reason is that most WBIs developed so far are not qualitatively different from the traditional classroom ones and various design models for WBI are unknown. Developing a WBI program according to Goal-based Scenarios (GBS), a constructivistic instructional design model, this study offers a useful case for the design and development of WBI to educators and implementers. The program developed embodied seven important components of the GBS model. The development process also included needs assessment, task analysis, and learner and environment analysis, which are the basic components of the domain of instructional design. The GBS development case in this article will provide concrete guidelines to educational practitioners who have an intention to create a new type of WBI in schools as well as in corporate.

소음 특수건강진단에서의 순음청력검사 방법 및 평가의 적정성 : 청력정도관리 순음청력검사 자료를 중심으로

김규상,김소연,조영숙,정호근 대한산업의학회 2001 대한직업환경의학회지 Vol.13 No.3

목적 : 이 연구는 각 특수건강진단기관의 소음 특수건강진단에서 소음성 난청을 판단하는데 가장 중요한 청각도(audiogram) 등의 자료를 통해 2차 소음 특수건강진단 대상자 선정의 적정설, 순음청력검사방법의 적정성 및 판정의 적정성을 평가하였다. 방법 : 1997년의 청력전도관리의 소음 특수건강진단의 자료 평가 대상기관인 48개 특수건강진단기관에서 1998년 하반기에 특수건강진단을 실시한 근로자수 100-500인 규모의 특수건강진단기관당 사업장 1곳의 특수건강진단 결과표, 소음 특수건강진단 개인표, 2차(정밀) 소음 특수건강진단 대상자의 순음청력검사 자료를 제출받아 2차 소음 특수건강진단 대상자 선정의 적정성, 순음청력검사방법의 적정성 및 판정의 적정성을 분석 평가하였다. 대상자 선정의 적정성은 1999년 현재 2차 건강진단 대상자 건별기준을 적용한 2차 건강진단의 실시 여부, 순음청력 검사방법의 적정성은 주파수별 기도 및 골도 검사 실시, 표준표기방법에 따른 역치 표기, 기도 및 골도 검사 결과의 차이, 적정한 기도 및 골도 음차폐 실시 여부의 평가를 통해 간접적으로 판단하였다. 소음 특수건강진단 판정의 적절성은 특수건강진단기관에서 판정한 구분을 ISO 기준(1964)적응에 의한 역치에 따른 청력장애 정도와 소음성 난청 유소견자 진단기준인 3분법에 의한 청력손실치, 4000 Hz에서의 역치 및 난청의 유형의 적용에 따라 각각 비교하여 적정성을 살펴보았다. 결과 : 2차 건강진단 대상자 선별기준에 따른 2차 건강진단 대상자는 기관 평균 사업장당 34.3명이었으나 18.4명만을 대상으로 2차 건강진단을 실시하여 선별기준 적용의 실시율이 67.7 %로 1/3의 대상이 2차 건강진단에서 누락되었다. 2차건강진단 대상자에 대해 각 주파수별 기도 골도 검사율은 75.7 %로 24.3 %가 골도검사를 시행하지 않고 기도검사만으로 평가 판단하였다. 표준표기방법(오른쪽, 왼쪽 - 비차폐 기도, 차폐 기도, 비차폐 골도, 차폐 골도검사)에 따른 표기에서 70.4 %에서 제대로 표기되고 있으며, 기도 및 골도청력검사의 적정성으로 기도청력역치는 골도청력역치보다 같거나 크게 나와야 하는데 골도청력역치가 기도청력역치보다 크게 나오는 경우(골도-기도청력역치>10)에는 잘못 측정하였다고 볼 수 있는바 이 기준의 적용시 75.5 %만이 검사결과가 적정하였으며, 기도 및 골도 음차폐 검사는 각각 실시 대상자의 15.0 %. 26.2 %만 실시하고 있었다. 48개 기관 중 7개 기관(14.6 %)이 2차 검진을 기도순음청력검사만으로 판정하고 있었으며, 기도 및 골도 음차폐검사는 각각 7개 기관(14.6 %), 13개 기관(27.2 %)에서만 실시하였다. 난청의 유형과 역치에 따른 청력장애의 평가는 소음 특수건강진단 결과 평가의 적정성(ISO 기준(1964)적용에 의한 청력손실 비교)과 판정의 적정성 (소음성 난청 유소견자 진단기준의 적용에 따른 비교)을 특수건강진단기관이 최종 판정한 결과와 비교하였을 때 질환자(D1, D2)의 판정이 과소평가되어 있었다. 결론 : 특수건강진단기관에 대한 청력정도관리와 청력검사자의 질관리가 지속적으로 필요하며 판정에서의 여러 장애 요인을 검토하여 적정하게 판정하여 관리될 수 있게끔 하여야 할 것이다. 그리고 순음청력검사의 정확성과 신뢰성을 확보할 수 있는 제반기준을 설정하여 검사자간, 검사자내 피검자의 역치결과의 오차를 줄여 나가야 할 것이다. Objeotive : This study was undertaken to evaluate that noise-exposed workers have been appropriately selected for the special periodic health examination and that pure-tone audiometry has been correctly applied and the results of these have been properly analyzed. Methods : We obtained health examination data of noise-exposed workers from 48 special periodic health examination agencies. The data consisted of special periodic health examination results and audiograms that had performed examination during the latter half of 1998. We analysed the appropriateness of the subject selection for the second special periodic health examination of noise-exposed workers, the method of pure-tone audiometry, and the evaluation of audiogram. Results : The screening performance rate is 67.65% in the special periodic health examination of noise-exposed workers. Although 34.29 persons per agency should have had a secthird of subjects were omitted. The air and bone conduction performance rate by each frequency is 75.71%. 24.29% persons did not have a bone conduction and were evaluated only by air conduction. The correct use rate of symbols(right, left-unmasked AC, masked AC, unmasked BC, and masked BC) recommended by ASHA(American Speech-Language-Hearing Association) was 70.36%, Generally air conduction threshold is equal to or higher than bone conduction threshold. In the reverse case, especially if the gap is more than 10 dB(BC-AC>10), this is considered to be incorrect. When we applied this criteria, the result indicated that it was correct in 75.46%. The performance rate of air masking was 15.03%, and bone masking was 26.21%. 7 among 48 agencies diagnosed NIHL(Noise-Induced Hearing Loss) only by air conduction, 8 performed air masking and 13 did bone masking. When compared with ISO Standard(1964) and Ministry of Labor Standard, the results of evaluation(D1, D2) on hearing loss according to hearing loss type and threshold were rather low. Conclusions : Hearing Quality Assurance Program about periodic special examination agencies and examiners will continue to be needed and also the evaluation of hearing loss should be performed and controlled using accurate criteria. This will reduce the error among examiners and results in individuals by means of a standard that is capable of being accurate and reliable.

154kV용 활선 안전 경보기 개발에 관한 연구

정민규,조현광,우종수,안창회,서영석,김응태,박창기,오세득 영남대학교 공업기술연구소 2000 工業技術硏究所論文集 Vol.28 No.1

In this report we developed a high voltage alarm for the safety of workers who check and repair the 154kV power line. This high voltage alarm we developed is attached on workers' helmet and alarms automatically in order to let workers know when workers work over the safety distance near 154kV power line. Until now the exact safety distance hasn't been regulated and high voltage alarm we've been using was for the range of 6∼22.9kV power line. We fabricated this high voltage alarm on the basis of electric density and actual measurement of power line. The experimental result was that high voltage alarm at 66kV power line alarmed near 90cm, at 154kV power line alarmed near 160cm from the line. Accordingly, we developed the new high voltage alarm which is operated in the range of 66∼154kV power line.

Dimethomorph처리에 의한 고추역병 방제효과

이영근,조의규 安東大學校 農業科學技術硏究所 1995 農業科學技術 硏究論文集 Vol.2 No.-

Dimethomorph의 고추역병에 대한 방제효과를 두가지 약제처리 방법에 의하여 metalaxylcopper oxychloride, propamocarb hydrochloride, ICIA5504의 방제효과와 비교하였다. 1. 약제 현탁액을 고추의 잎과 줄기에 살포하였을 때, 4개 약제 모두 고추에 대한 약해는 인정되지 않았다. Metalaxyl-Cu 현탁액을 고추의 근권토양에 관주하였을 때, 고추의 잎에 괴저형 점무늬가 발생하였다. 나머지 3개 약제의 현탁액을 토양관주한 고추에서는 어떤 약해증상도 나타나지 않았다. 2. Oatmeal 배지 상에서 역병균사에 대한 발육억제효과는 dimethomorph와 metalaxyl-Cu가 우수하였다. 3. 4종의 약제 모두 경엽살포에 의한 고추역병방제효과는 크지 않았다. 4. Dimethomorph 500-2,000배액을 고추의 근권토양에 관주하고 줄기에 역병균사를 접종하였을 때, 약제처리 7주 후까지 역병의 병반진적이 억제되었다. Control effect of dimethomorph on red-pepper fruit rot(Phytophthora capsici) were compared with the effects of metalaxyl-copper oxychloride, propamocarb hydrochloride and ICIA5504 by spray and soil-drenching method. Any damage was not observed on the red-pepper plants sprayed with four kind of fungicides. By soil-drenching method, small necrotic spots were observed on leaves of the plants soil-dranched with metalaxyl-copper but any damage of the plants treated with other fungicides was not observed. On oatmeal agar media, inhibition effect of dimethomorph and metalaxyl-copper on growth of the pathogenic fungi were excellent. However, the control effects of the chemicals on red-pepper fruit rot were not significant by spray application. When dimethomorph suspensions(500 to 2,000 times) were poured onto the rhizosphere soil, developments of black rotten symptoms were inhibited untill seven weeks after the chemical treatment.

新鮮 채소류의 Plastic film 包裝材에 關한 硏究

閔龍圭,朴相旭,趙光衍 충북대학교 농업과학기술연구소 1987 農業科學硏究 Vol.5 No.1

In order to determine shelf life and proper packaging material, polyethylene, polypropylene, polyvinyl chloride, polyester, oriented polypropylene and cellophane films were used to package sweet pepper and crisphead lettuce. The best result was obtained for sweet pepper in 0.03mm OPP film which showed shelf life of 41 days and weight loss 0.44% at low temperature. For crisphead lettuce it was obtained in PET film which showed shelf life of 40 days and weight loss 1.91% at low temperature. Shelf life of sweet pepper was extended up to 11 days at room temperature storage and 22 days at the low temperature storage. That of crisphead lettuce was extended up to 8 days at the room temperature storage and 37 days at the low temperature storage.

외과적 정출술을 통한 치은 하방 치경부 파절선이 있는 상악 전치부의 심미 보철 치료

이소진,김유진,박영범,조규성,정문규 大韓齒科補綴學會 2012 대한치과보철학회지 Vol.50 No.3

Surgical extrusion, immediate extrusion following tooth luxation, is a method to preserve one's natural tooth and achieve esthetic restoration without additional periodontal surgery when subgingival dental caries or crown fracture occurs. A 16-year-old male was referred to the clinic from the department of operative dentistry for the esthetic restoration of maxillary left lateral incisor. Due to the crown to root fracture, the tooth was endodontically treated with a buccal crown length of 4 mm. When the palatal flap was elevated, the mesiopalatal cervical fracture area was situated 3 - 4 mm subgingivally. Crown lengthening was achieved through surgical extrusion. After 3 months of clinical observation and provisional restoration, the maxillary left central incisor was restored with all ceramic crown and obtained a satisfactory clinical result. 치은연 하방에 치아 우식증이나 치아 파절이 발생했을 때, 치아를 탈구시켜 즉시 정출시키는 외과적 정출술을 이용한 치관 연장술은 자연치를 보존하고 추가적인 치주적 수술 없이 단기간에 심미적인 보철 치료를 가능하게 한다. 본 환자는 16세 남환으로 본원 보존과로부터 상악 좌측 중절치의 심미 수복을 위해 본원 보철과로 의뢰되었다. 상악 좌측 중절치는 근관치료가 되어 있었으며 치관-치근 파절로 인해 협측 치관 길이는 4 mm였으며 구개측 판막을 열었을 때 근심 구개측 치경부 파절 범위는 치은 하방 3 - 4 mm에 위치하였다. 외과적 정출술을 통한 치관연장술을 시행하였으며 경과 관찰 및 임시 치아의 단계를 거쳐 3개월 후에 전부 도재관으로 수복하여 만족할 만한 임상 결과를 얻을 수 있었다.

망간에 폭로된 용접작업자들의 신경행동검사 수행능력

진영우,김양호,김규상,김은아,조영숙,신용철,채창호,최용휴,이세훈,문영한 大韓産業醫學會 1999 대한직업환경의학회지 Vol.11 No.1

To study neurobehavioral effects for manganese fume exposure of welders, we administrated questionnaire about subjective symptom, related with manganese exposure. Neurobehavioral Core Test Battery of World Health Organization(NCTB) and finger tapping for 98 welders and 29 non-welding workers. We adopted welding duration as a criterion for exposure assessment, because of the lack of the longitudinal valid data and differences in airborne concentrations of manganese in welding types, such as shielded metal arc and CO2 arc welding. Neurologic, musculoskeletal and concentration symptoms were significantly increased by increase of welding duration. Performance of finger tapping preferred hand, Santa Ana dexterity test preferred hand and correct number of pursuit aiming were significantly decreased by increase of welding duration. These results comparable with previous studies that suggest neurobehavioral test, especially motor test, to be an appropriate tool to detect early neurobehavioral abnormalities related with manganeses exposure.

서울의 Penicillinase Producing Neisseria gonorrhoeae 발생빈도(1998)

김재홍,김준호,반재용,이정우,황성주,정준규,정성태,강진문,조흔정,홍창의,정혜신,이한승,김이선,이봉길,이종호,선영우,한기덕,윤성필,이성훈,안종성,박석범,문승현,조항래,김형섭,류지호,황재영,박준홍,손상욱 한양대학교 의과대학 2001 한양의대 학술지 Vol.21 No.1

In recent years, gonorrhea has been pandemic and remains one of the most common STDs in the world, especially in developing countries. For the detection of a more effective therapeutic regimen and assessing the prevalence of Penicillinase Producing Neisseria gonorrhoeae(PPNG), we have been trying to study the patients who have visited the Venereal Disease Clinic of Choong-Ku Public Health Center in Seoul since 1980 by menas of the chromogenic cephalosporin method. In 1998, 93 strians of N. genorrhoeae were isolated, among which 60(64.5%) were PPNG. The prevalence of PPNG in Seoul, which had been decreased to 39% in 1996 after a peak of 74.3% in 1993, is increased to 64.5% in 1998.

A Retrospective Analysis of Root-Resected Teeth

( Young Ae Cho ),( Jeong Won Paik ),( Chang Sung Kim ),( Kyoo Sung Cho ),( Jung Kiu Chai ),( Chong Kwan Kim ),( Seong Ho Choi ) 대한치주과학회 2001 대한치주과학회 학술대회자료집 Vol.2001 No.1

Surgical Management of Scalp Infantile Hemangiomas

Cho, Young Kyoo,Ryu, Dong Wan,Chung, Ho Yun,O, Teresa M.,Blei, Francine,Waner, Milton by Mutaz B. Habal, MD. 2015 JOURNAL OF CRANIOFACIAL SURGERY - Vol.26 No.4

BACKGROUND:: Scalp infantile hemangiomas (IHs) are usually focal lesions that can be both disfiguring and may lead to complications such as ulceration and bleeding. The clinical features of scalp IHs have not been previously studied. This study aims to identify the clinical characteristics associated with scalp IH, the indications for surgical intervention, and results of surgical treatment. METHODS:: We performed a retrospective chart review of patients with scalp IH presenting to a tertiary care referral center over the past 7 years. Patients’ demographics, clinical features, location, and treatment course were noted. RESULTS:: One hundred fifty-one of 1916 total IH patients presented with a diagnosis of scalp IH (8%). The distribution of the scalp lesions was the following: 31.8% frontal, 46.7% parietal, 7.9% occipital, and 9.9% temporal. Fifty-eight percent were solitary and 42% were multifocal lesions. The size range of scalp IH is 1 × 1 cm to 8 × 6 cm. Two percent of patients with scalp IH presented with other facial IH. Primary indications for surgery were secondary to complications such as ulceration (23.2%) and alopecia (51.7%). Surgery included elliptical excision with primary closure (85.7%) or with rotational flap closure (14.3%). The average age of surgery was 3 years (1–8 years). Most patients had a good aesthetic outcome with satisfactory hair growth. CONCLUSION:: Scalp IHs are morbid tumors which often cause alopecia and/or ulceration. In our experience, many scalp IHs eventually require surgical intervention. We find that early surgical excision is beneficial, as the tissues are easily manipulated secondary to scalp/soft tissue laxity and scarring is more favorable.