• Title/Summary/Keyword: 회귀주의(回歸主義)

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The effect of Inhibition of Return on the spatial location of Focused-Attention (초점 주의의 공간 위치가 회귀억제에 미치는 영향)

  • 박찬희;심혜영;홍철운;김남균
    • Proceedings of the Korean Society for Emotion and Sensibility Conference
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    • 2001.05a
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    • pp.293-297
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    • 2001
  • 본 연구는 공간상에서 초점 주의의 공간 위치가 인간의 감각 운동 협응에 의한 회귀억제에 미치는 영향을 정량적으로 분석하기 위하여 수행되었다. 본 실험은 20∼25세 나이의 성인 남·여를 대상으로 하였고, 자체 제작한 방음 암실에서 실시되었다. 지금까지의 회귀억제는 위치와 시간에 관련된 특이한 현상이라고 정의되어 왔다. 그러나 본 실험에서는 피험자의 주의가 집중되어 있는 공간에서는 시간에 관계없이 일어나지 않지만 피험자의 주의가 분산되었을 경우는 한 번 집중된 공간으로 주의를 옮기기가 어려운 회귀억제 현상이 일어났다. 본 연구에서는 회귀억제는 조건에 따라서는 자극 제시 간격(SOA)과 무관하며 초짐 주의 공간 위치와 관련된 현상임을 정량적으로 평가하였다.

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The effects of endogenous attention and reorienting on performance of detection task (내현적 주의와 재정향이 탐지과제 수행에 미치는 영향)

  • Ko, Jae-Hyeong;Kim, Shin-Woo;Li, Hyung-Chul O.
    • Science of Emotion and Sensibility
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    • v.15 no.1
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    • pp.37-46
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    • 2012
  • We tested the effects of endogenous attention and reorienting on the performance of detection task. In the classic detection paradigm of Posner and Cohen (1980), performance on target detection is measured, where target appears either on the same or difference spatial location of cue stimulus after brief period of SOA (stimulus onset asynchrony). In this study, we induced exogenous attention by manipulating predictability of cue for target, and also induced reorientation by inserting additional (reorienting) cue between initial cue and target. Experiment 1 had three conditions of reorienting speed: Early, middle, and late. Facilitation and IOR (inhibition of return) occurred in different forms depending on SOA and reorienting speed, but we were not able to discover interpretable pattern in the results. However, reanalysis of early reorienting condition revealed that facilitation and IOR occurred in a crossed manner where short SOA found facilitation and long SOA did IOR, the typical results of simple detection task. Experiment 2 collected additional data to replicate the results in early reorienting condition of experiment 1. The results obtained that facilitation occurred with short SOA and IOR with long SOA. These results contrast with those of Wright and Richard (2000) where they reported elimination of IOR when cue had predictability of target locations. These results suggest that additional cue (here, orienting cue), which rapidly appears before extinction of IOR by prior cue, brings about double IOR. The present research demonstrates that even when attention is allocated to certain location via endogenous mechanism, rapidly repeating cues in certain location maximizes IOR that offsets the effects of endogenous attention to the same location.

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Predicting ozone warning days based on an optimal time series model (최적 시계열 모형에 기초한 오존주의보 날짜 예측)

  • Park, Cheol-Yong;Kim, Hyun-Il
    • Journal of the Korean Data and Information Science Society
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    • v.20 no.2
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    • pp.293-299
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    • 2009
  • In this article, we consider linear models such as regression, ARIMA (autoregressive integrated moving average), and regression+ARIMA (regression with ARIMA errors) for predicting hourly ozone concentration level in two areas of Daegu. Based on RASE(root average squared error), it is shown that the ARIMA is the best model in one area and that the regression+ARIMA model is the best in the other area. We further analyze the residuals from the optimal models, so that we might predict the ozone warning days where at least one of the hourly ozone concentration levels is over 120 ppb. Based on the training data in the years from 2000 to 2003, it is found that 35 ppb is a good cutoff value of residulas for predicting the ozone warning days. In on area of Daegu, our method predicts correctly one of two ozone warning days of 2004 as well as all of the remaining 364 non-warning days. In the other area, our methods predicts correctly all of one ozone warning days and 365 non-warning days of 2004.

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The Effect of Self-consciousness and Materialism on Compulsive Buying and Conspicuous Consumption of American Female College Students (자의식과 물질주의가 미국 여대생의 충동구매와 과시소비성향에 미치는 영향에 관한 연구)

  • Park, Min-Jung
    • Korean Journal of Human Ecology
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    • v.18 no.3
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    • pp.705-717
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    • 2009
  • 본 연구의 목적은 미국 여대생의 자의식, 물질주의성향, 충동구매와 과시적 소비성향간의 관계에 관하여 조사하는데 있다. 상징적 자기완성이론을 이론적 근거로 하여 가설을 설계하였으며, 설문지 조사법을 이용하여 자료를 수집하였다. 편의표본추출법을 적용하여 미국 중서부지역의 한 대학교의 여대생 315명을 연구대상으로 설문조사를 하였으며, 최종적으로 296명의 응답을 연구결과분석에 이용하였다. Stepwise 회귀분석을 통한 분석 결과 공적 자의식은 물질주의성향과 충동구매성향 및 과시소비성향에 정적 영향을 미치는 것으로 나타났으며, 사적 자의식은 과시소비성향에 부적 영향을 미치는 것으로 나타났다. 또한, 단순회귀분석을 통한 분석 결과 물질주의성향과 충동구매성향 및 과시적 소비 성향 간에 정적인 관계가 있는 것으로 나타났다. 본 연구는 자의식, 물질주의성향, 충동구매와 과시소비 성향간의 관계 메커니즘을 증명해 보임으로써, 사회 심리학적 소비자 행동연구에 이론적 틀을 제시하였다. 또한, 본 연구결과는 미국 여대생을 표적 시장으로 하는 기업이 표적소비자의 소비행동과 심리를 이해하는데 중요한 자료로 이용될 것으로 기대된다.

A Study on the Difference in the Perception of Information and Attitude by Individual Cultural Disposition (개인 문화성향에 따른 정보 인식과 태도 차이에 대한 연구)

  • Kim, Ji-Hyun
    • Journal of the Korean BIBLIA Society for library and Information Science
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    • v.25 no.3
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    • pp.59-76
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    • 2014
  • The purpose of this study is to investigate the effect of individual cultural disposition on the perception of contextual information and attitude toward contextual material, and to provide the effective ways of delivering information. To investigate individual cultural disposition, this study employed Triandis(1988)'s cultural scale that classified people into four categories using individualism/collectivism and vertical/horizontal dimensions. The results revealed that Korean college students had higher horizontal collectivism than other cultural dispositions, but only a few Korean college students had vertical individualism. The results using regression analysis revealed that Korean college students with vertical collectivism significantly perceived more contextual information than other groups.

Historical Eclecticism in Fashion - a focus on the $19^{th}$ and $20^{th}$ centuries - (복식의 역사적 절충주의 양식 -17세기와 20세기를 중싱으로-)

  • Chun, Hei-Jung;Na, Hyun-Shin
    • Journal of the Korean Society of Clothing and Textiles
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    • v.25 no.10
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    • pp.1779-1790
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    • 2001
  • 새로운 탄생을 위해 과거의 것을 재조합하는 역사적 절충주의는 오늘날 과거로 회귀하고픈 현대인들의 요구에 부합하며 환영받고 있다. 본 연구는 복식에 표현된 역사적 절충주의 양식을 파악하기 위해 건축을 통해 그 특성을 규명하고 이를 복식에 적용시켜 19세기 복식은 복식사 문헌을 바탕으로 20세기를 대표하는 1990년대의 복식은 $\ulcorner$콜렉션$\lrcorner$지를 중심으로 복식의 역사적 절충주의 양식을 살펴보았다. 연구 결과, 서로 다른 두 장르에서 펼쳐진 역사적 절충주의는 비슷한 시기가운데 1)형태 참고를 특징으로 하는 조형성, 2)장식적인 아름다움을 특징으로 하는 장식성, 3)새로운 재질과 발전된 기술을 기반으로 하는 기술성, 4)불투명한 시대 경향을 지시하는 모호성이라는 조형적 특성을 나타내었고, 이로 인해 건축과 복식의 문화적 공유성은 재확인되었다. 이처럼 복식의 역사적 절충주의를 통해, 과거의 힘이 무엇이며 현재에 어떠한 의미를 지니는가를 상기한다면 복식사의 중요성은 더욱 부각될 것이다.

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A Study on the Relationship between Performance Personnel System and Organizational Culture - Focused on domestic ICT enterprises - (성과주의 인사제도와 조직문화와의 관계에 관한 연구 - 국내 ICT 강소기업을 중심으로 -)

  • Noh, Yeon-sook;Lee, Sun-kyu
    • Journal of Digital Convergence
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    • v.16 no.3
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    • pp.211-224
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    • 2018
  • The purpose of this study is to examine the factors of performance - based HR system that Korean ICT firms use and to analyze the effect of performance - based HR system on organizational culture. To do this, we conducted literature surveys and set up research models and hypotheses that performance - based personnel systems will affect organizational culture. We also added the moderating effect of LMX on the relationship between these variables. For the empirical analysis, a questionnaire survey was conducted for ICT companies member in Daegu and Kyungbuk area. Multiple regression analysis and hierarchical regression analysis were conducted to test hypotheses. As a result, performance - based personnel system has a significant effect on organizational culture. In particular, we found that LMX has a moderating effect on hierarchical culture and collective culture. These results will contribute to enhance competitiveness and to create new core competencies of ICT firms.

The Effects of Altruism and the Civil Right Consciousness on Ageism (이타주의와 시민권리의식이 연령주의(Ageism)에 미치는 영향)

  • Kim, Mee Hye;Kim, Soo Jin;Ryu, Ju Yeon
    • 한국노년학
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    • v.37 no.1
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    • pp.221-236
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    • 2017
  • The purpose of this study was to examine the effects of altruism and the civil right consciousness on the ageism against older people. Using data of 1,513 persons over 18 years old from the Korean General Social Survey(KGSS)(2011), this study applied descriptive analyses, t-test, ANOVA, correlation analysis and multi-regression with STATA14. According to results, the degree of ageism was slightly lower(2.43 out of 5). Compared to age groups, the results were followed: elderly, middle age, and young age group. Among them, the ageism level of the group to have experiences of discrimination was higher than one of the group not to have it. The degree of altruism was high(3.95 out of 5), followed by elderly, middle age, and young age group. The group experienced in discrimination had higher level of altruism than another. The degree of the civil right consciousness was high(5.83 out of 7) without differences among age groups. In the results of regression analysis, the ageism was negatively affected by altruism and the civil right consciousness. Based on the results, this study suggested practical and political opinions for reducing ageism.

Ultimate Resisting Capacity of RC Columns Considering P-$\Delta$ Effect (P-$\Delta$ 효과를 고려한 RC 기둥의 극한저항력 산정)

  • 곽효경;김진국;김한수
    • Journal of the Computational Structural Engineering Institute of Korea
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    • v.15 no.1
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    • pp.105-116
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    • 2002
  • In this paper, an analytical model to predict the resisting capacity of slender RC columns is introduced. Material and geometric nonlinearities are taken into account, and the layer approach is adopted to simulate the different material properties across the sectional depth. On the basis of the obtained numerical analysis results, an improved design equation as a function of concrete strength, slenderness ratio, steel ratio and eccentricity for slender RC columns, which can be used effectively in the preliminary design stage, is introduced. Finally, P-M interaction diagrams constructed by the introduced equation are compared with the ACI method with the objective of establishing the relative efficiencies of the introduced equation.

Effect of Ethical Awareness about Pandemic and Health Beliefs of Standard Precaution on the Performance Standard Precaution of Nursing Students (간호대학생의 팬데믹에 대한 윤리인식과 표준주의 건강신념이 표준주의 수행도에 미치는 영향)

  • Dongwon Choi
    • Journal of Industrial Convergence
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    • v.21 no.1
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    • pp.137-145
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    • 2023
  • The purpose of this study was to find the effects of ethical awareness about pandemic and health beliefs of standard precaution on performance standard precaution of nursing students. The survey was performed on 163 nursing students in three universities. Data were collected using a structured questionnaires and analyzed using t-test, ANOVA, Pearson correlation coefficient, and multiple regression with SPSS 25.0 program. Study findings revealed that performance standard precautions was significantly correlated with ethical awareness about pandemic(r=.17, p=.033), perceived susceptibility(r=.33, p<.001), perceived severity (r=.24, p=.003), perceived benefits(r=.35, p<.001) and perceived obstruction(r=-.31, p<.001). The factors that had the influences on performance standard precaution were the perceived benefits(β=.20, p=.014)) and perceived obstruction(β=-.20, p=.008). And the explanation power of the regression model appeared as being 18.1%(F=8.09, p<.001). It is necessary to develop a systematic infection education program that considers ethical awareness, and perceived severity and obstruction among health beliefs of standard precaution to improve performance standard precaution of nursing students.