• 아동학회지
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• 제12권2호
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• pp.67-77
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• 1991

An investigation of the effect of occupational information on vocational cognitive complexity was conducted with 331 male and female adolescents in ninth grade. There were 2 experimental groups and 1 control group. Experimental group I was given only occupational information sheets (written form information) while group II was given occupational information through verbal instruction in addition to the occupational information sheets. A modified form of the cognitive complexity grid originally developed by Bodden (1970) was utilized to collect data on the subjects' vocational cognitive complexity. ANOVA and $Scheff{\acute{e}}$ tests revealed that there were significant differences between experimental group II and the other groups in vocational cognitive complexity. The cognitive complexity level of experimental group I and the control group for the most aspired occupation was significantly lower than for the least aspired occupation. However, the cognitive complexity level of experimental group II for the most aspired occupation was higher than for the least aspired occupation. The results suggest that just giving occupational information to adolescents may not be effective and giving occupational information may be effective only when the method of giving occupational information is active enough to induce adolescents' self-confirming cognitive process.

• 대한간호학회지
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• 제28권2호
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• pp.510-518
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• 1998

It was assumed that the maternal identity in primi-gravida is one of the most attribute of the motherhood, that is not biological but cognitive phenomena, appears active process as intelligent human being. The purposes of this study were that the identification the cognitive structure and the influencing factors of the maternal identity in primi-gravida. Theoretical framework in this study, maternal identity in primi-gravida was constructed as a cognitive output, has the cognitive structure of cognitive-perceptual factor, cognitive-behavioral factor, and cognitive-emotional factor. Influencing factors of maternal identity was constructed as a cognitive input, which were pregnancy related perceptions (pregnancy intention, minor discomfort, value of motherhood), interpersonal relationship(relationship with mother, relationship with husband, relationship with social network), preparation to motherhood(maternal knowledge, antenatal self care), and biological factor (gestation period). This study was the descriptive correlational research design, was done from the 3rd January to the 15th March 1996, and the research subjects were selected conviniently 226 the primi-gravida during the gestation period, data collection method was self reported questionnaire cross-sectionally. Descriptive data analysis was done by SAS PC$^{+}$, testing the hypothetical model was done by covariance structural analysis using LISREL 8.03 program. The result of the hypothesis testing, the value of motherhood(y=.650, T=4.26) the maternal knowledge (y=.137, T=2.030), the gestation period( y=.113, T=2.621), showed significant causal effect on the maternal identity in primi-gravida. In conclusion, the maternal identity in primi-gravida had interrelated cognitive structure consist of perceptual, behavioral, and emotional factors. Significant causal factors influencing the maternal identity were value identified. It seems to contribute toward the understanding the characteristics of the maternal identity as a cognitive domains that has been regarded highly abstract concept, so has not been validated empirically.y.

• 정보관리학회지
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• 제18권3호
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• pp.265-284
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• 2001

본 연구의 목적은 이용자의 인지유형과 그에 따른 웹기반 OPAC시스템 평가에 대한 상관관계를 알아보기 위한 것이다. 이용자들의 인지유형은 (1)Verbaliser/Imager와 (2) Wholist/Analytic으로 나누었고 웹기반 OPAC시스템의 (1)기능적인 측면과 (2)학습용이성 측면에 초점을 맞추어 평가를 하였다. 연구방법으로는 (1)사전조사를 위한 인터뷰, (2)주된 데이터 수집을 위한 질문지, 그리고 (3) 이용자의 인지형태 결정을 위해서 심리측정학(psychometric)방법을 사용하였다. 사전조사결과와 문헌의 리뷰에 근거하여 온라인 조사방법으로 (1)웹기반 온라인 질문지와 (2) Riding의 CSA(Cognitive Style Assessment)을 Sheffield 대학 캠퍼스 네트워크에 연결된 모든 PC에서 접속할 수 있게 온라인 테스트 환경을 구성하였다. 이 환경을 통하여 44명의 석.박사 학생들이 자발적으로 본 실험에 참가를 했으며, 이들로부터 수집된 데이터는 SPSS(Statistical Package for Social Science)를 이용하여 분석하였다. 통계분석에서 각 평가항목 변수들간의 상관관계분석을 위해서 피어슨(Pearson)의 상관계수 (Coefficient, f)를 사용하였다. 연구결과 개인의 인지형태와 웹기반 OPAC시스템 평가간에는 비교적 낮은 통계학적인 상관관계를 보였다.

• 간호행정학회지
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• 제19권2호
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• pp.273-281
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• 2013

Purpose: The purpose of this study was to identify the relationship among cognitive style, creative action, and challenging work and then determine whether challenging work has a mediating effect between cognitive style and creative action. Methods: Data were collected from a convenience sample of 275 clinical nurses who graduated from 3-year nursing schools and worked in hospitals in Seoul or Kyungki Province. The questionnaire included measurements of cognitive style, creative action and challenging work. Data were analyzed using descriptive statistics, correlation, T-test, ANOVA, Duncan test, and hierarchical multiple regression. Results: Mean scores for cognitive style, creative style, and challenging work were $3.28{\pm}0.42$, $3.22{\pm}0.57$, $3.40{\pm}0.63$, respectively. Significant correlations were found between cognitive style and challenging work, cognitive style and creative action, and challenging work and creative action. Cognitive style was significantly different according to years in clinical career, and in hospital size. Challenging work was significantly different according to age and position. Creative action was significantly different according to years in clinical career. Finally challenging work had a mediating effect between cognitive style and creative action. Conclusion: Findings from this study provide a comprehensive understanding of challenging work for clinical nurses and indicate related factors and importance.

• 한국보건간호학회지
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• 제20권2호
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• pp.119-129
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• 2006

Purpose: This study was conducted to investigate the status of depression and the cognitive function among the elderly over 65 years of age who use the welfare facilities for the aged in the community. Methods: For this study the data were collected from March 27, 2006 to April 14, 2006. Subjects were 92 elderly over 65 years old. The level of depression was estimated with the Beck Depression Inventory, and the cognitive function with the modified Mental Status Questionnaire (MSQ). The Data were analyzed using frequencies, t-test, and Pearson's correlation coefficient with the SPSS/PC program. Results: The results of this study are summarized as follows. 1. The mean score was 13.09 for depression and 8.27 for cognitive function. 2. Analysis according to the demographic characteristics confirmed a statistically significant difference on the level of cognitive function between the elderly who live alone and those who live together(f=4.293, p<0.01) 3. The percentage of the severely and mildly impaired in cognitive function was 7.6% and 6.5%, respectively. 4. The variables of age(f=11.17, p<0.01), educational level(f=15.23, p<0.01), martial status(f=4.084, p<0.01), and economic activity(t=4.41, p<0.01) showed a significant effect on cognitive function. 5. There was no relationship between depression and cognitive function. Conclusion: Social support and a variety of programs at welfare facilities in the community were recommended in order to reduce depression and cognitive impairment in the elderly.

• 재활간호학회지
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• 제9권1호
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• pp.34-41
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• 2006

Purpose: This study was to analyze the relationship the physical disability, cognitive disorder and body image. Method: The research was a descriptive relationship study. A sample is composed of 101 hospitalized stroke patients. Data were collected from November, 2005 to December, 2005. The survey instruments used in the study Sharon and Glen's physical disability scale, Lim's cognitive disorder scale and Osgood's body image scale. The collected data were analyzed frequency, percentage, mean, standard deviation, ANOVA, Duncan test, Pearsons' correlation coefficients. Result: The level of physical disability the score was 2.26, cognitive disorder 1.84 and body image 3.54. and they were relation to significant correlation. The body image showed significant negative correlation with physical disability, cognitive disorder. Physical disability showed significant positive correlation with cognitive disorder(r=.639, p=.000), and significant negative correlation with body image(r=-.420, p=.000). Cognitive disorder showed significant negative correlation with body image(r=-.620, p=.000). There were significant differences of body image by general characteristics as follows: age(p=.000), occupation(p=.004), education(p=.008), disease(p=.007). monthly income(p=.006), burden of medical expenses(p=.001), duration of stroke(p=.008). Conclusion: There was a significant correlation between physical disability, cognitive disorder and body image. there will be considered useful nursing intervention effect to physical disability, cognitive disorder and body image of stroke patients.

• KSII Transactions on Internet and Information Systems (TIIS)
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• 제7권4호
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• pp.613-631
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• 2013

Cognitive radio (CR) is proposed as a key solution to improve spectral efficiency and overcome the spectrum scarcity. Spectrum sensing is an important task in each CR system with the aim of identifying the spectrum holes and using them for secondary user's (SU) communications. Several conventional methods for spectrum sensing have been proposed such as energy detection, matched filter detection, etc. However, the main limitation of these classical methods is that the CR network is not able to communicate with its own base station during the spectrum sensing period and thus a fraction of the available primary frame cannot be exploited for data transmission. The other limitation in conventional methods is that the SU data frames should be synchronized with the primary network data frames. To overcome the above limitations, here, we propose a spectrum sensing technique based on blind source separation (BSS) that does not need time synchronization between the primary network and the CR. Moreover, by using the proposed technique, the SU can maintain its transmission with the base station even during spectrum sensing and thus higher rates are achieved by the CR network. Simulation results indicate that the proposed method outperforms the accuracy of conventional BSS-based spectrum sensing techniques.

• 인터넷정보학회논문지
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• 제12권2호
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• pp.1-8
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• 2011

본 논문에서는 무선인지시스템에서 스펙트럼 센싱을 효율적으로 수행하기 위한 선택적 협력 스펙트럼 검출 기법을 제안한다. 제안된 알고리즘에서는 각 무선인지 사용자가 자신의 유도비(likelihood ratio)를 기반으로 자신의 센싱 신뢰도를 평가하고, 센싱 신뢰도에 따른 타이머를 활용하는 경쟁기반의 센싱 결과 보고 메커니즘을 활용한다. 이를 통해, 제안된 선택적 협력 스펙트럼 기법에서는 가장 높은 센싱 신뢰도를 갖는 무선인지 사용자만이 국부 스펙트럼 센싱값을 융합센터로 전송함으로써, 스펙트럼 센싱의 성능을 일정한 레벨로 유지하고, 협력 스펙트럼 센싱의 단점인 제어 트래픽 및 협력 센싱 시간을 줄이는 이점을 갖는다.

• 지역사회간호학회지
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• 제8권2호
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• pp.197-210
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• 1997

This study was conducted to test the effect of cognitive stimulation training on elderly persons with dementia. The design of the research was one group in pre-test-post-test design. The subjects were nine demented persons over sixty years, with mild to moderate cognitive impairment. Training was administered by research assistants on a one to one basis for thirty to forty minutes, three times a week for eight weeks. In order to evaluate the effect of cognitive stimulation training, we measured cognitive function before and after three training sessions each. Data were analyzed using descriptive statistics and a paired t-test analysis using a spss pc package, The results are as follows: 1) The recipients of the training program showed improvement in overall cognitive functioning. The MMSK - K score, recall levels of concepts, daily tasks, personal past history and performance of word fluency were significantly increased after training. 2) There was a significant improvement in cognitive functioning over the training period: recall levels of concepts, daily tasks, past personal history and performance of word fluency significantly increased over the training period progessively, The results suggest that cognitive stimulation training is effective in improving and maintaining overall cognitive function of elderly persons with dementia.

• 한국전자통신학회논문지
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• 제16권6호
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• pp.1249-1254
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• 2021

4차 산업혁명 시대의 컴퓨팅 기술과 네트워킹 기술은 빠른 속도로 지능 정보화 사회로 진화하고 있다. 이중 실감 미디어 분야인 AR, VR 그리고 MR 기술은 많은 융합 기술형태로 응용되고 있고, 특히! 보건 헬스케어 분야의 발전은 활발히 진행되고 있다. 보건 헬스케어 분야는 인구의 노령화, 만성 진활의 증가, 기반 시설의 부족 그리고 전문 인력의 부족으로 많은 문제점이 존재하며, 이를 해결하기 위해 AR, VR, MR과 같은 실감미디어 기술 및 서비스를 채택하고 있다. 이에 본 연구는 인지 재활이 필요한 대상자를 대상으로 컴퓨팅 환경을 통한 인지 평가를 적용하고, 인지판단 기술 시스템 설계를 바탕으로 증강현실을 이용한 인지 판단 플랫폼을 설계 및 개발하고, 향후 AI와 BigData 기반의 지능형 인지재활 통합 서비스 플랫폼 개발의 기초자료로 사용한다.