• Title/Summary/Keyword: subjective sensitivity

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A Study on the Comfort Properties of Carbon Heated Socks (I) - A Study on the Subjective Sensitivity and Emotional Sensibility of Chitosan/SUS Fiber Socks Fabrics- (탄소섬유를 사용한 발열양말의 쾌적성 연구(제1보) - 키토산섬유와 SUS섬유의 양말 소재의 주관적 감각 및 감성에 관한 연구 -)

  • Lee, Ji-Eun;Kwon, Young-Ah
    • Fashion & Textile Research Journal
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    • v.12 no.1
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    • pp.103-108
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    • 2010
  • The purpose of this study was to analyze the effect of fiber contents of socks fabric on the subjective sensitivity and emotional sensibility of consumers. We investigated the relationship of subjective sensitivity and sensibility according to fiber contents and color value of socks. We made five plain knit fabrics as specimens, with a combination of chitosan/SUS fiber contents and three value levels of grayish color. The subjects were 15 males and 54 females in the twenties. The data analysis was conducted with Pearson's correlation analysis, ANOVA, Duncan multiple range test, and regression analysis. The major finds were as follows: A factor analysis showed that subjective sensitivity was classified into five factors (bulky, surface-rough, elastic, attention, and variety) and emotional sensibility was into four factors (salience, stability, luxury, and activity). There were significant correlation between the subjective sensitivity and emotional sensibility. The subjective sensitivities of 'surface-rough' and 'elastic' were significantly influenced by fiber contents. The sensibilities of 'salience' and 'luxury' were significantly influenced by fiber contents. Where as the 'salience' and 'roughness' were significant influenced by color value level. According to sex, there were significantly difference in 'bulky', 'elastic' and 'salience'. As a result of the regression analysis, preference, consuming desire and satisfaction appears to be closely related with all subjective sensitivity and sensibility.

The Effects of Sensitivity on Subjective Responses to Residential Noises (생활소음의 주관적 반응에 대한 민감도의 영향)

  • Ryu, Jong-Kwan;Jeon, Jin-Yong
    • Proceedings of the Korean Society for Noise and Vibration Engineering Conference
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    • 2005.11a
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    • pp.363-366
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    • 2005
  • Social survey and auditory experiment on residential noises such as floor impact, air-bome, bathroom, drainage and traffic noises were conducted to investigate the effects of sensitivity and background noise levels on subjective response to residential noises. Results of survey showed that multiple questions for sensitivity to noise have a more power for discrimination against subjective response to noise than single question. It was also found that the correlation between sensitivity and annoyance was relatively low, but the differences in annoyance between sensitivity groups were significant. Result of auditory experiment showed that effects of sensitivity on annoyance were different according to noise type and noise level. It was also shown that the difference in annoyance between the lowest sensitive stoup and the highest sensitive group was significant in low noise level. The effects of background noise on subjective responses to noise was also different according to noise source and noise level, and were significant in low noise level of airborne and drainage noise.

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The Effect of Subjective Happiness, Ethical Sensitivity, Empathy Ability on Personality in Nursing Students (간호대학생의 주관적 행복감, 윤리적 민감성, 공감 능력이 인성에 미치는 영향)

  • Kim, Seon-Young
    • Journal of Digital Convergence
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    • v.20 no.4
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    • pp.737-745
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    • 2022
  • This study is a descriptive research study conducted to identify factors affecting personality by examining subjective happiness, ethical sensitivity, empathy ability, and personality of nursing students. The study subjects were 165 students enrolled in the Department of Nursing in Gyeonggi-do, and data collection was conducted through an online survey from September 9 to October 18, 2020. The average of subjective happiness, ethical sensitivity, empathy ability, and happiness of nursing students is 5.11±1.03 points, 4.33±.38 points, 3.83±.42 points, and 4.09±.39 points. Personality positively correlated with subjective happiness, ethical sensitivity, and empathy ability. The significant factors influencing personality were major satisfaction, subjective happiness, ethical sensitivity, which explained 52.8% of the variance in nursing students' personality. Based on the results of this study, it is necessary to develop an educational program that considers ethical sensitivity, subjective happiness, and major satisfaction with high explanatory power for personality.

Depth sensitivity of stereoscopic displays

  • Choi, Byeong-Hwa;Choi, Dong-Wook;Lee, Ja-Eun;Lee, Seung-Bae;Kim, Sung-Chul
    • Journal of Information Display
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    • v.13 no.1
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    • pp.43-49
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    • 2012
  • Depth sensitivity is considered one of the factors influencing 3D displays the most. In this paper, the perceptual 3D depth was quantitatively measured to compare the depth difference among the display devices. No difference was found in the typical display performance among the devices, but the subjective evaluation of the depth sensitivity where the disparity was varied showed that the organic light emitting diode (OLED) had the highest performance, mainly due to its almost 0% crosstalk, one of the features of OLED. Crosstalk is a form of image superposition that greatly affects the depth sensitivity. The experiment results showed that the quantitative depth sensitivity varies due to geometric factors such as disparity, viewing distance, and subjective sensitivity, depending on the display image characteristics, such as crosstalk and contrast.

A Comparison of Subjective Mental Workload Measures in Driving Contexts

  • Kim, Ji Yeon;Ji, Yong Gu
    • Journal of the Ergonomics Society of Korea
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    • v.32 no.2
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    • pp.167-177
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    • 2013
  • Objective: This study aims to compare the usefulness of subjective measures which are comprised of existing methods like NASA-TLX, Bedford-scale and ZEIS and newly developed method like DALI in measuring drivers' mental workload in terms of validity, sensitivity and diagnosticity. Background: Nowadays, with the development of intelligent vehicle and HMI, mental workload of driver has become more and more important. For this reason, the studies on drivers' mental workload about driving situation and the use of information technology equipment such as mobile phones and navigations were conducted intensively. However, the studies on measuring drivers' mental workload were rarely conducted. Moreover, most of studies on comparison of subjective measures were used with performance based measure. However, performance based measures can cause distraction effect with subjective measures. Method: Participants (N=19) were engaged in a driving simulation experiment in 2 driving contexts (downtown driving and highway driving context). The experiment has 2 sessions according to driving contexts. The level of difficulties by driving contexts were adjusted according to existence of intersections, traffic signs and signals, billboards and the number of doublings. Moreover, as criteria of concurrent validity and sensitivity, the EEG data were recorded before and during the sessions. Results: The results indicated that all subjective methods were correlates with EEG in high-way driving. On the contrary to this, in downtown driving, all subjective methods were not correlates with EEG. In terms of sensitivity, multi-dimensional scales (NASA-TLX, DALI) were the only ones to identify differences between high way and downtown driving. Finally, in terms of diagnosticity, DALI was the most suitable method for evaluating drivers' mental workload in driving context. Conclusion: The DALI as newly developed method dedicated to evaluate driver's mental workload was superior in terms of sensitivity and diagnosticity. However, researchers should consider the characteristics of each subjective method synthetically according to research objective by selecting the method in subjective measures. Application: The results of this study could be applied to the intelligent vehicle and next generation of HMI design to decrease mental workload of driver and for the development of new subjective method in vehicle domain.

A Study on the Factors for Violation of Information Security Policy in Financial Companies : Moderating Effects of Perceived Customer Information Sensitivity (금융회사 정보보안정책의 위반에 영향을 주는 요인 연구 : 지각된 고객정보 민감도에 따른 조절효과)

  • Lee, Jeong-Ha;Lee, Sang-Yong Tom
    • Journal of Information Technology Applications and Management
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    • v.22 no.4
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    • pp.225-251
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    • 2015
  • This paper analyzed factors for employees to violate information security policy in financial companies based on the theory of reasoned action (TRA), general deterrence theory (GDT), and information security awareness and moderating effects of perceived sensitivity of customer information. Using the 376 samples that were collected through both online and offline surveys, statistical tests were performed. We found that the perceived severity of sanction and information security policy support to information policy violation attitude and subjective norm but the perceived certainty of sanction and general information security awareness support to only subjective norm. Also, the moderating effects of perceived sensitivity of customer information against information policy violation attitude and subjective norm were supported. Academic implications of this study are expected to be the basis for future research on information security policy violations of financial companies; Employees' perceived sanctions and information security policy awareness have an impact on the subjective norm significantly. Practical implications are that it can provide a guide to establish information security management strategies for information security compliance; when implementing information security awareness training for employees to deter violations by emphasizing the sensitivity of customer information, a company should make their employees recognize that the customer information is very sensitive data.

The Difference of Subjective Sense Recognition According to the Characteristics of Sensory Processing (처리특성에 따른 주관적 감각인식의 차이)

  • Park, Mi-Hee;Kim, Kyeong-Mi
    • The Journal of Korean Academy of Sensory Integration
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    • v.5 no.1
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    • pp.21-30
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    • 2007
  • Objective: This study was to provide a standard for the evaluation of The Korean version of Adolescent/Adult Sensory Profile(K-ASP) for University students and to investigate the difference of the subjective sense recognition regarding the characteristics of sensory processing. Method: The subjects consisted of 84 University students. A researcher examined subjective sense recognition and K-ASP for subjects. Visual Analog Scale used to evaluate subjective sense recognition and K-ASP was utilized to evaluate the characteristics of sensory processing. Results: 1. The average scores and standard deviation of K-ASP were $32.93{\pm}7.88$ for low registration group, $39.39{\pm}6.55$ for sensory seeking group, $38.94{\pm}9.13$ for sensory sensitivity group, and $34.24{\pm}7.85$ for sensory avoiding group. 2. The correlation between the total score on an each quadrant and the subjective sense recognition are -.27 for low registration group, .11 for sensory seeking group, .09 for sensory sensitivity group and .12 for sensory avoiding group. It showed the statistically significant correlation between the total score of low registration and the subjective sense recognition group(p<.05). 3. The average scores and standard deviation of the subjective sense recognition were $5.22{\pm}1.56$ for high threshold and $7.28{\pm}1.70$ for low threshold. The subjective sense recognition according to the characteristics of sensory processing showed the statistically significant difference. Conclusions: This study supports the theory that there is the difference of sensory recognition according to each individual and we found that people with difficulties of sensory processing acknowledge their characteristics of sensory processing well. Evaluation of sensory processing ability through interview or questionnaire supports the fact which it is reliable.

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UNCERTAINTY AND SENSITIVITY STUDIES WITH THE PROBABILISTIC ACCIDENT CONSEQUENCE ASSESSMENT CODE OSCAAR

  • HOMMA TOSHIMITSU;TOMITA KENICHI;HATO SHINJI
    • Nuclear Engineering and Technology
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    • v.37 no.3
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    • pp.245-258
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    • 2005
  • This paper addresses two types of uncertainty: stochastic uncertainty and subjective uncertainty in probabilistic accident consequence assessments. The off-site consequence assessment code OSCAAR has been applied to uncertainty and sensitivity analyses on the individual risks of early fatality and latent cancer fatality in the population outside the plant boundary due to a severe accident. A new stratified meteorological sampling scheme was successfully implemented into the trajectory model for atmospheric dispersion and the statistical variability of the probability distributions of the consequence was examined. A total of 65 uncertain input parameters was considered and 128 runs of OSCAAR with 144 meteorological sequences were performed in the parameter uncertainty analysis. The study provided the range of uncertainty for the expected values of individual risks of early and latent cancer fatality close to the site. In the sensitivity analyses, the correlation/regression measures were useful for identifying those input parameters whose uncertainty makes an important contribution to the overall uncertainty for the consequence. This could provide valuable insights into areas for further research aiming at reducing the uncertainties.

Subjective Measures of Operator Status in Surface Transportation: h Critical Review and Recommendations for Application (지상 교통에 있어서 운전자 상태의 주관적 척도: 비판적 고찰 및 응용을 위한 제언)

  • Heidi D. Howarth;Sohn, Young-Woo
    • Science of Emotion and Sensibility
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    • v.5 no.4
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    • pp.11-32
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    • 2002
  • This article evaluates the existing subjective measures that have been utilized in surface transportation to assess various aspects of operator status such as fatigue, sleepiness, arousal, mood, etc. Specifically, the representative six subjective instruments - Epworth Sleepiness Scale, Karolinska Sleepiness Scale, Pearson and Byars Fatigue Checklist, Stanford Sleepiness Scale, Stress-Arousal Checklist, and NPRU Mood Scale - are compared and contrasted in terms of reliability, . validity, sensitivity, and appropriateness for application. Recommendations for application of the subjective measures in surface transportation are discussed.

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A Study of Development of Evaluation Technique for the Subjective Clothing Comfort in Hot-humid Environment -Comparision between the utilization of Fuzzy theory and Factor Analysis- (고온 다습한 환경에서의 주관적 착용 쾌적감 평가도구 개발을 위한 기초 연구 -Fuzzy 이론의 적용방법과 요인분석 방법간의 비교-)

  • 김정화;조승식
    • Journal of the Korean Society of Clothing and Textiles
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    • v.20 no.2
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    • pp.362-372
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    • 1996
  • Recently, need for the development of the quantification of subjective evaluation is growing for the production of high-touch and high-tech textile products. In this study, Fuzzy theory is utilized for the evaluation of the wear comfort of the various blouses. Result of a new evaluation method and factor scores, validity of the new evalution technique adopted fuzzy theory was crosschecked with the results of fator analysis and factor scores. As results, fuzzy theory was proved to be adequate methodology to objectify the subjective evaluation of the adequacy of clothing which is worn. When DUNCAN'S multiple comparion among median of the fuzzy composite score were compared with the results of factor score, the sensitivity of the test methods tends to increase. Therefore, it is suggested that fuzzy weighted checklist is an alternative evaluation scale for the subjective comparison of the textile products. In addition, individual median of fuzzy composite score value should be treated by statistical for the sensitive analysis of subjective evalution.

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