• 한국학교수학회논문집
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• 제16권4호
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• pp.899-925
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• 2013

이 연구의 목적은 고등학교 정기고사에 제시된 수학 서술형 평가 문항이 2007개정 교육과정의 성격과 목표에 얼마나 잘 부합되는지 살펴보는 것이다. 따라서 이 연구를 위해 서울과 경기지역을 중심으로 24개 학교에서 제시된 서술형 평가 문항이 학생들에게 어떠한 인지적 노력수준을 요구하고 있는지 수학과제 분석하였고, 또한 서술형 평가 문항이 학생들에게 어떠한 능력을 요구하는지 살펴보기 위해 수학적 숙련도를 통해 서술형 문항을 분석하였다. 총 199문항의 서술형 평가 문항을 분석한 결과 학생들에게 낮은 인지적 노력수준을 요구하는 문항은 70%의 비율로 나타났고, 높은 인지적 노력수준을 요구하는 문항은 30%의 비율로 나타났다. 이러한 결과는 본 연구에서 살펴본 대부분의 서술형 평가 문항이 계산 과정을 포함하고 있었으며 단순한 알고리즘을 통해 문제를 해결하는 특징을 가지고 있음을 보여준다.

• 감성과학
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• 제17권4호
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• pp.41-50
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• 2014

본 연구에서는 제품 이미지에 대한 선호 반응에 있어서 뇌의 반응 패턴의 특징을 파악하고, 피험자가 동일한 대상에 대하여 직관적으로 평가한 선호도 결과와 비교 분석하였다. 첫 번째 실험은 하나씩 별도로 제시된 제품 이미지에 대하여 느끼는 인상을 파악하기 위하여 뇌파 측정을 통한 쾌적도를 산출하였다. 두 번째 실험은 피험자가 모든 제품 이미지를 일시에 비교하며 선호도를 직접 평가하도록 하였다. 첫 번째 실험을 '독립적 인지 반응'이라 하고, 두 번째 실험을 '상대적 인지 반응'이라고 할 때 그 반응의 특성은 다음과 같다. '독립적 인지 반응'에서는 자신의 경험에 의해서 축적된 정보와의 비교에 의하여 절대 가치로서의 감정 상태를 표현하게 되며, '쾌' 또는 '불쾌'라고 하는 감정이 절대적 가치로서 지속된다. '상대적 인지 반응'에서는 이미지를 인지하는 단계에서 비교되는 다른 이미지 정보와의 상대적인 감정 상태를 표현하게 되며, 이때에는 '진정'이나 '흥분'에 해당하는 감정 상태가 상대적 가치로 작용한다.

• ETRI Journal
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• 제42권4호
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• pp.585-595
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• 2020

Integration of multiple communication technologies in a smart grid (SG) enables employing cognitive radio (CR) technology for improving reliability and security with low latency by adaptively and effectively allocating spectral resources. The versatile features of the CR enable the smart meter to select either the unlicensed or the licensed band for transmitting data to the utility company, thus reducing communication outage. Demand response management is regarded as the control unit of the SG that balances the load by regulating the real-time price that benefits both the utility company and consumers. In this study, joint allocation of the transmission power to the smart meter and consumer's demand is formulated as a two stage multi-armed bandit game in which the players select their optimal strategies noncooperatively without having any prior information about the media. Furthermore, based on historical rewards of the player, a real-time pricing adaptation method is proposed. The latter is validated through numerical results.

• 한국융합학회논문지
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• 제12권11호
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• pp.457-466
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• 2021

본 연구는 갱년기 여성들에게 취약하다고 알려진 기억력과 주의집중력, 언어기능을 증진시키기 위해 개발된 모바일 앱 기반 인지훈련 프로그램의 효과를 규명하고자 하였다. 기억력 저하를 호소하는 만 40세에서 60세 사이의 갱년기 여성 40명을 대상으로 실시하였다. 모바일 앱 기반의 인지훈련은 8주간의 프로그램으로 회기당 20~30분, 3회/주 수행하여 총 24회기였다. 조사는 기초조사를 포함한 사전조사와 사후조사로 진행되었다. 연구변수는 객관적 인지기능(전반적 인지기능, 기억력, 주의집중력, 언어기능)과 주관적 인지기능, 삶의 질이었다. 연구결과 전반적 인지기능(t=-8.688, p<.001)과 기억력(t=-4.765, p<.001), 주의집중력 정반응수(t=-7.293, p<.001), 언어기능 중 고빈도 단어에 대한 정반응수(Z=-2.179, p=.036), 저빈도 단어에 대한 정반응수(Z=-2.737, p=.009), 삶의 질(t=-3.358, p=.002)은 모두 통계적으로 유의하였으나 주관적 인지기능은 통계적으로 유의한 차이가 없는 것으로 나타났다. 기능성 앱을 통해 제공되었된 인지훈련 프로그램은 인지기능을 향상시키는데 도움을 주었으며 전문가의 개입 없이도 가정에서 접근하기 쉬운 인지 중재도구로 활용될 수 있을 것이다.

• 생물정신의학
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• 제13권3호
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• pp.191-201
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• 2006

Objectives : The purpose of this study was to investigate whether the cognitive functions would be correlated with psychotic symptoms and whether antipsychotic treatments would affect the cognitive functions after 8 weeks. Methods : The thirty-five schizophrenic patients were conducted in this study. The psychopathology was measured using PANSS. The memory function, executive function, and sustained attention were measured using Memory Assessment Scale(MAS), Wisconsin Card Sorting Test(WCST), and Vigilance(VIG) and Cognitrone(COG) in Vienna Test System. After 8 weeks of antipsychotic treatment, we retested the cognitive tests. Results : 1) The cognitive tests after the 8 week's treatment showed significant improvements in memory and executive function in the schizophrenic patients. On the other side, sustained attention did not show improvement. 2) The change of PANSS were correlated with perseverative response, perseverative error and total correct in WCST at baseline. WCST scores at baseline were correlated with negative symptoms, but not positive ones. Conclusion : These study suggests that 1) the impaired sustained attention could be a vulnerability marker in schizophrenia, 2) memory & executive function deficit could be reversible after treatment, and 3) medication might have a benefit in improving the cognitive functions in schizophrenia. Furthermore, the data supports that the better premorbid executive function was, the more favorable was the treatment response in schizophrenic patients. Finally, this study indicates that executive function might be an index of treatment improvement.

• 기본간호학회지
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• 제8권2호
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• pp.220-233
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• 2001

Purpose: This study was done to identity the degree of instructional motivation and response after application of CAI in the student nurses' fundamental nursing course. Method: The subjects of this study were 77 student nurses and the data was collected from October, 7th to 17th in 1997. The examination sheet for cognitive style and a questionnaire to evaluate the degree of instructional motivation were used to collect data. Result : 1) It was found that the degree of instructional motivation of the learner was higher in the CAI class. (134.23/170) 2) After CAI, the learners expressed relatively higher satisfaction in understanding, interest, degree of difficulty, number of problems, icons, and extra information. 3) It was found that 53 learners(68.8%) were field independent-cognitive learners and 24 learners(31.2%) were field dependent-cognitive learners. 4) Among the instructional responses according to the cognitive behavior of the learner after CAI, there were significant differences in reasons for understanding the computer program, interest in the computer program class, and the number of students assigned to each computer. 5) There were no significant difference between cognitive style and instructional motivation. Conclusion: The CAI effect for nursing students fundamental nursing course have been positive evaluated. CAI in nursing education is becoming very available and needs to develop effective CAI and use not only fundamental nursing course but also another nursing education programs.

• 한국심리학회지 : 문화 및 사회문제
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• 제17권4호
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• pp.485-503
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• 2011

테러 위험에 대한 일반인의 행동반응에 영향을 주는 심리요인들을 밝히기 위하여 인지, 사회, 정서요인들을 포함하는 구조모형을 개발하고자 하였다. 본 연구의 모형에는 테러가 발생할 가능성, 테러 여파가 주는 심각성, 그리고 테러의 여파에 대해 개인이 대처할 수 있다는 지각(인지요인)과, 테러에 대응하는 정부기관에 대한 신뢰(사회요인), 그리고 테러에 대한 두려움과 걱정(정서요인), 개인적으로 준비하거나 정보를 검색 또는 분석하고 관계망을 점검하는 행동(행동반응)에 대한 측정이 포함되었다. 주된 결과는 인지와 사회요인이 정서요인에 영향을 주며 정서요인은 행동반응에 영향을 준다는 것이다. 특히 인지요인 중 지각된 대처는 행동반응에 직·간접 영향을 주는 요인으로서, 테러에 대한 개인적 대비를 향상시키기 위해서는 지각된 대처가 중요하다는 것을 논의하였다.

• 지역사회간호학회지
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• 제32권3호
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• pp.254-267
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• 2021

Purpose: The purpose of this study was to identify the effects of brain-wave biofeedback training nursing intervention (NFT) upon enhancing self-regulation response in adolescence with emotional behavior problems in school. Methods: A quasi-experimental design was conducted. The participants were assigned to the experimental group (n=24) or the control group (n=24). The experimental group additionally received NFT. The NFT was conducted 10 sessions for 30 minutes per session with the band reward and inhibit training which matched their Quantitative Electroencephalography (QEEG), participant's demand and chief complaint. Data were collected with QEEG and heart rate variability (HRV) in physiological response, self-efficacy in cognitive response, depression in emotional response, impulsivity and delay gratification in behavioral response of self-regulation. Results: The general characteristics and the pre-test scores of two groups were all homogeneous. The experimental group was reported to be significantly higher in QEEG homeostasis, HRV homeostasis, self-efficacy, and delay gratification than the control group. The experimental group was reported to be significantly lower in depression and impulsivity. Conclusion: The results indicate that NFT using brain cognitive neuroscience approach is effective in enhancing self-regulation response. Therefore, this nursing intervention using brain cognitive neuroscience approach can be applied as an effective self-regulation nursing intervention for adolescents with emotional behavior problems in communities for adaptive life.

• 한국철도학회:학술대회논문집
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• 한국철도학회 2003년도 춘계학술대회 논문집
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• pp.159-164
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• 2003

The purpose of this article is to comparatively depict the organizational effectiveness of two rail firms based on the cognitive response of employees(group of drivers). To attain this purpose, several aspects of current personnel and organization management system and organizational culture are surveyed through questionaire and analyzed by SPSS. The questionaire includes two parts of items. First, it includes items on personnel-related factors such as evaluation system, job, wage, role, leadership and job satisfaction. Second, it includes items on organizational culture model suggested by Rousseau. The major findings are : 1) In general, the cognitive response of drivers in two firms concerning personnel-related aspects is to a certain degree negative. 2) The cognitive response of drivers in two firms concerning culture-related aspects is also awfully negative. 3) Job satisfaction of drivers in the firm A is highly related to role and leadership factors in terms of personnel-related aspects, on the one hand, and to achievement factor in terms of culture, on the other hand. In case of the firm B, job satisfaction of drivers is highly related to personnel evaluation factor as well as role and leadership factors in terms of personnel-related aspects, on the one hand, and to affiliation, power, and bureaucracy factors in terms of culture, on the other hand.

• 한국실내디자인학회논문집
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• 제20권2호
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• pp.120-130
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• 2011

The purpose of this study is to propose cognitive ecological effects of fractal patterns in space design. This study investigated the perception and cognition problems regarding landscape patterns showing fractal properties from the cognitive perspective instead of the traditional speculative approach. In particular, the researcher has verified that fractal geometry theory and fractal pattern concept provide insight in space aesthetic values and cognitive effects. Research results are as follows. First, most environmentally-friendly fractal urban forms provide cognitive connectivity. In particular, this space provides a positive emotional response and preference to humans and displays self-organized complexity. This study found that such complexity of space form has characteristics corresponding to parallel cognitive structures of the human brain. Simultaneously, the researcher suggests that the fractal landscape pattern is an alternative for stiff and homogenized modern space. Second, fractal patterns provide hierarchical connectivity within the brain through continuous difference and repetition. In particular, self-similarities of fractal patterns administer significant visual grouping and coherence in human perception. It can be determined whether scaling coherence facilitates easier organization in cognitive organization. Third, fractal patterns in space design provide the basic method for achieving the connection between concept, construction, and urban factors. As a result, the researcher has suggested that scale distribution of geometrical factors, such as fractal patterns, an be a design method to connect various space typologies.