• Title/Summary/Keyword: Perception assessment

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Digital enhancement of pronunciation assessment: Automated speech recognition and human raters

  • Miran Kim
    • Phonetics and Speech Sciences
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    • v.15 no.2
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    • pp.13-20
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    • 2023
  • This study explores the potential of automated speech recognition (ASR) in assessing English learners' pronunciation. We employed ASR technology, acknowledged for its impartiality and consistent results, to analyze speech audio files, including synthesized speech, both native-like English and Korean-accented English, and speech recordings from a native English speaker. Through this analysis, we establish baseline values for the word error rate (WER). These were then compared with those obtained for human raters in perception experiments that assessed the speech productions of 30 first-year college students before and after taking a pronunciation course. Our sub-group analyses revealed positive training effects for Whisper, an ASR tool, and human raters, and identified distinct human rater strategies in different assessment aspects, such as proficiency, intelligibility, accuracy, and comprehensibility, that were not observed in ASR. Despite such challenges as recognizing accented speech traits, our findings suggest that digital tools such as ASR can streamline the pronunciation assessment process. With ongoing advancements in ASR technology, its potential as not only an assessment aid but also a self-directed learning tool for pronunciation feedback merits further exploration.

Analysis on Ecosystem Service Hotspots Based on Regional Environmental Stakeholders' Perception - A case study of Ansan - (지역 환경분야 이해당사자 인식을 반영한 생태계서비스 우수지역 분석 - 안산시를 대상으로 -)

  • Kim, Ilkwon;Kim, Sunghoon;Lee, Jae-Hyuck;Kwon, Hyuksoo
    • Journal of Environmental Impact Assessment
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    • v.27 no.5
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    • pp.417-430
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    • 2018
  • Identification and mangement of ecosystem service hotspots are necessary to set environmental policies that include concepts of ecosystem service. Assessment and mapping of ecosystem service hotspot referring areas with high amount of ecosystem services provide essential information to manage ecosystem services effectively. Assessment of hotspots based on regional environmental stakeholders' perception is an useful approach to identify priority areas where management practices are required. This study estimated weights on regulating ecosystem services from regional environmental stakeholders' surveys in Ansan, and then, identified regulating service hotspots with weights. The result indicated that regulating services are, in order of importance, water quality, air quality, erosion, and climate control. The north-eastern forest of Ansan was mainly revealed as an ecosystem service hotspot. Ecosystem service hotspots were spatially distributed similarly regardless of environmental stakeholders' weights. Identification of ecosystem service hotspot with environmental stakeholders' perception can be applied in decision-support tools for ecosystem service management.

Environmental Risk Perception and Perceived Benefit Among Residents and Workers in Industrial Area (공단 지역주민과 근로자의 환경위해도 인식과 인지된 편익)

  • Kim Myounghyun;Lim Youngwook;Park Jongyun;Shin Dongchun;Yang Jihyung;Boo Minjung
    • Environmental Analysis Health and Toxicology
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    • v.20 no.2 s.49
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    • pp.97-108
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    • 2005
  • This study is to estimate differences, relationships and related factors of environmental risk perception and perceived benefit among residents and workers. A self-administered questionnaire survey using a structured instrument was carried out to residents and workers in industrial area during April, 2002. Total number of participants were 657 including 329 residents and 328 workers. Participants assessed environmental risk perception, self- assessed knowledge, trust in authorities and perceived benefit associated with 10 products manufactured in industrial area. There were difference in environmental risk perception, knowledge and trust in authorities and perceived benefit among residents and workers. Especially, trust in authorities and perceived benefit were statistically significant difference among residents and workers. Inverse relationships between environmental risk perception and perceived benefit have been observed for different products. In other words, the greater the perceived benefit, the lower the perceived risk, and vice versa. Factors mostly associated with participant's characteristics of environmental risk perception were age. marriage status (workers), education level (workers). There was statistically significant difference. Perceived benefit was statistically significant difference with sex, marriage status, residence duration, education level (workers). Related factors of environmental risk perception among residents and workers were age, trust in authorities. And factors affecting the perceived benefit were sex, age, education level (workers), and trust in authorities (workers). According to the results, people having high trust in the authorities perceived less risks than people having low in the authorities. To improve the communication of risk information, further study focus on assessment of experts, government and stakeholder in industrial area. Methodologies of this study can be used as the basis for investigating the structure of public perception of environmental products risks and benefit, designing a public information and risk communication program, and developing policy actions to improve acceptance.

The Effect of Senior Elementary School Students' Emotional Perception Clarity, Emotion Regulation, and Family Relationship on Non-Suicidal Self-Injury and Depression (초등학생 고학년의 정서인식 명확성, 정서조절전략, 가족관계가 비자살적 자해 및 우울에 미치는 영향)

  • Shin, Ji-hye;Kim, Suk-Sun
    • Research in Community and Public Health Nursing
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    • v.32 no.4
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    • pp.457-466
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    • 2021
  • Purpose: The purpose of this study was to examine the correlations among emotional perception clarity, emotion regulation, family relationship, non-suicidal self-injury, and depression, and to determine associated factors of non-suicidal self-injury and depression for senior elementary school students. Methods: Data were collected from 150 early adolescences in K region, Korea. A self-report questionnaire consisted of Trait Meta-Mood Scale, Cognitive Emotion Regulation Questionnaire, Family Relationship Assessment Scale, Functional Assessment of Self-Mutilation, and Children's Depression Inventory. The data were analyzed using t-test, Pearson's correlation coefficient, logistic regression, and multiple regression analysis. Results: Non-suicidal self-injury and depression were positively associated with maladaptive emotion regulation strategy and family conflict, but negatively related to emotional perception clarity and family support. Adaptive emotion regulation strategy and family togetherness were only significantly correlated with depression. In logistic regression analysis, significant predictors of non-suicidal self-injury were emotional perception clarity, maladaptive emotion regulation strategy, and family support. Multiple regression analysis found that significant factors of depression were adaptive and maladaptive emotion regulation strategies, which explained 38.0% of the variance. Conclusion: Our study findings suggest that targeted intervention to reinforce the adaptive emotion regulation strategy and family relationship may prevent non-suicidal self-injury, and depression for senior elementary school students.

A Study on the Change of Visitor's Perception with the Implementation of Korean Important Agricultural Heritage System: The Field Agricultural Area of the Volcanic Island in Ulleung (국가중요농업유산 제도 시행에 따른 방문객 인식 변화: 울릉 화산섬 밭농업 지역을 대상으로)

  • Do, Jeeyoon;Jeong, Myeongcheol
    • Journal of Environmental Impact Assessment
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    • v.31 no.3
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    • pp.173-183
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    • 2022
  • The purpose of this study is to explore the purpose of introducing the system and the possibility of development by comparing the period before and after the implementation of the Korean Important Agricultural Heritage System (KIAHS) using big data. In terms of perception related to Ulleungdo Island, keywords related to accessibility were derived as higher keywords before and after designation, and in particular, keywords such as various approaches and new ports could be found after designation. It can be seen that positive perception increased after the designation of KIAHS, and the perception of good increased particularly. In addition, the exact name of wild greens and keywords for volcanic island appeared in common, but it was confirmed that the influence increased in the results of the centrality analysis after the designation. In other words, it was found that the designation of KIAHS was helpful in preserving traditional knowledge and developing traditional agricultural culture using it.

Comparative evaluation of pain perception following topical application of clove oil, betel leaf extract, lignocaine gel, and ice prior to intraoral injection in children aged 6-10 years: a randomized control study

  • Havale, Raghavendra;Rao, Dhanu G;Shrutha, SP;Tuppadmath, Kanchan M;Tharay, Namratha;Mathew, Irin;Taj, Kausar E
    • Journal of Dental Anesthesia and Pain Medicine
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    • v.21 no.4
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    • pp.329-336
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    • 2021
  • Background: In the field of dentistry, topical anesthetics play an important role in reducing pain during needle pricks. The anesthetic property of betel leaves remain unexplored, even though they have been widely used for the treatment of various ailments. The purpose of this study was to compare and evaluate pain perception following topical application of lignocaine gel, clove gel, ice, and newly developed betel leaf extract gel during intraoral injection in children. Methods: Sixty children aged 6-10 years who met the inclusion criteria were divided into four groups. Topical anesthetic agents, 2% lignocaine (Lox-2% Jelly, Neon, Mumbai, India), 4.7% clove gel (Pain Out Dental Gel, Colgate Palmolive India Ltd, Solan, India), 10% betel leaf extract gel, and ice were applied to each group for one min, followed by administration of infiltration anesthesia. Pain perception was analyzed during needle insertion. The Wong Bakers FACES pain rating scale (WBFPRS) was used for subjective assessment and the Sound, Eye, Motor (SEM) scale for objective assessment. Recorded values were tabulated and subjected to appropriate statistical analysis using SPSS software with a P value set at 0.05. Results: The clove oil and betel leaf groups demonstrated the highest WBFPRS scores, followed by the ice and lignocaine groups. The clove, betel leaf extract, and ice groups showed equal and highest SEM scores, followed by the lignocaine group. The mean WBFPRS and mean SEM scores were statistically significant. Conclusion: Betel leaf extract gel is effective in reducing pain and can act as an alternative topical anesthetic agent.

Consumers' Perception of Fashion Companies' Sustainability and Its Effect on Trust, Preference, and Purchase Intention (패션기업의 지속가능성에 대한 소비자 인식이 신뢰, 선호도 및 구매의도에 미치는 영향)

  • Suk, HyoJung
    • Journal of the Korean Society of Clothing and Textiles
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    • v.39 no.5
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    • pp.656-671
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    • 2015
  • Discussions on sustainability in the fashion industry highlight the need for a holistic and strategic approach. This study investigated consumers' perception of fashion companies' sustainability and its relationship with value and perceived consumer effectiveness as well as with consumer trust, preference, and purchase intention. The assessment scale of fashion companies' sustainability was developed for this study and data were obtained from 645 consumers in their 20's to 60's in Korea. As a result, consumers' value and perceived consumer effectiveness had significant effects on consumers' perception of fashion companies' sustainability. Universalism, security/benevolence and perceived consumer effectiveness were variables that had significant effects on all four dimensions of sustainability. Consumer's perception of fashion companies' sustainability significantly influenced consumer trust, preference and purchase intention. Especially, environmental, societal, and cultural sustainability (rather than economic dimension) were shown to have a greater impact on consumers' trust, preference and purchase intention.

Effects of maternal education of infant's behavioral characteristics on maternal perception of her infant and the infant's behavioral development (신생아 행동평가법을 이용한 어머니 교육이 영아에 대한 어머니의 지각에 미치는 효과)

  • Lee, Seon-Ah;Shin, Yeung-Hee;Kim, Tae-Im
    • Korean Parent-Child Health Journal
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    • v.6 no.1
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    • pp.46-58
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    • 2003
  • The purpose of this study is to investigate the effect on maternal perception of her infant and the infant's behavior development through maternal education designed to provide information of the capabilities and the individual characteristics of her infant. The subjects were 48 pairs of normal infants and mothers at three different hospitals, 24 pairs for the intervention group and 24 pairs of the control group. The survey was conducted from July 30 to October 6, 2001. The results of this study were as the following. A maternal perception of her infant was significantly different between the two groups, more positive in the intervention group than in the control group. The information and understanding of behavioral characteristics of the infant are an important factor influencing maternal perception for her infant and general development of the infant. On the basis of these results, the educational intervention method of this study may be worth utilizing in nursing practice. The practitioners of hospitals have to establish a system that it offers an education of understanding the infant's behavioral characteristics during the hospitalization after delivery.

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Combined Effects of PMV and Acoustics on Indoor Environmental Perception (PMV와 음환경의 복합 작용이 실내 환경 지각에 미치는 영향)

  • Yang, Wonyoung
    • KIEAE Journal
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    • v.16 no.6
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    • pp.135-142
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    • 2016
  • Purpose: The purposes of this paper are to investigate effects of indoor thermal environment on acoustical perception and effects of acoustics on indoor thermal perception, and to understand basic human perception on indoor environment. Method: Subjective assessment was performed in an indoor environmental chamber with 24 university students. Thermal conditions with PMV -1.53, 0.03, 1.53, 1.83 were simulated with a VRF system, a humidifier, a dehumidifier, and a ventilation system. Six noise sources - Cafe, Fan, Traffic, Birds, Music, Water- with sound levels of 45, 50, 55, 60 dBA were played for 2 minutes in random order. Temperature sensation, temperature preference, humidity sensation, humidity preference, noisiness, loudness, annoyance, and acoustic preference were assessed using bipolar visual analogue scales. The ANOVA and Turkey's post hoc test were used for data analysis. Result: Thermal environmental perceptions were not altered through 2 minutes noise exposure. Acoustical perceptions were altered by thermal conditions. The results were consistent with previous papers, however, the noise exposure time should be carefully considered for further development.

A Study of Perception on Improvement of Environmental Impact Assessment using Strategic Environmental Assessment (전략환경평가를 통한 환경영향평가제도 개선에 대한 인식도 조사 연구)

  • Kim, Im Soon;Kim, Yoon Shin;Moon, Jeong Suk;Han, Sang Wook;Son, Bu Soon
    • Journal of Environmental Impact Assessment
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    • v.13 no.3
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    • pp.125-135
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    • 2004
  • Environmental Impact Assessment(EIA) in Korea has been used to improve environmental conservation and decision-making. Since environmental impact statement(EIS) was introduced in 1981 with the promulgation of the Environmental Preservation Act in 1977, which replaced the Pollution Control Act legislated in 1963. With a rapid growth of environmental perception as well as the diversification of development activities, however, it has recently bring about a strong demand for a new assessment process related to the strategic level of policies, plan, programs. Method of this study includes analyses of the situation of local EIA and its problematic issues through survey and analysis of information and data, analysis of the level of environmental awareness of professionals and case studies including analysis of foreign strategic environmental assessment. Accordingly, I have elicited a concept of SEA. In addition, I have studied on costs of environmental assessment, and efficiency of internalization of HIA. The survey was carried between September and November 2003, and 177 professionals were asks to complete a questionnaire. As a result of questionnaire survey of environmental pundits, it revealed that 83.8% of participants were in favor of introduction of strategic assessment. This result demonstrated more or less higher approval rate than those of awareness survey done by the Ministry of Environment, i.e. 86.0% ayes, and 14.0% nays. 22.8% of participants agreed to the opinion; "For introduction of this system, earlier is better," 50% reported having an opinion such as, "Will introduce this system in an earliest possible time after correcting problems," 26.3% reported having an opinion such as, "Let's decide the time for introduction of this system after correcting problems first,' and 0.9% reported having an opinion, "it's too early to introduce this system." Specifically, the ratio of ayes on introduction of the system marked 72.8%, and it revealed that a majority of respondents have an opinion such as, "Will introduce this system in an earliest possible time after correcting problems." As means of solutions for the problem regarding the limits of applications that existed in SEA System, factors, such as collecting a wide variety of opinions, securing experts, and faithful implementation, etc. were reported important, and in addition to these factors, respondents revealed having opinions such as, consistent research and development, reflection of public interest, establishment of professional organization, enforcement of after-management service, expanding investments in large, systemizing reference materials, and encouraging public participation, etc. To improve problems involving with present EIA system, it has been identified through this study that SEA is efficient and useful. In order to have SEA introduced successfully, it has been cleared that internalization of effectiveness of environmental cost together with HIA must be accomplished.