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          단어재인 시 음운규칙 적용 여부 및 단어빈도에 따른 청년층 및 노년층의 ERP 성분 비교 분석

          강혜원,심현섭 한국언어청각임상학회 2021 Communication Sciences and Disorders Vol.26 No.1

          Objectives: The purpose of this study was to investigate age-related differences according to frequency of words and use of phonological rules in the Korean word recognition process between younger and elderly groups through Event-Related Potentials (ERP) analysis. Methods: A total of 35 participants participated in this experiment. They were asked to judge whether the pronunciation of visual words was identical to the corresponding auditory words. Behavioral data and electrophysiological data were collected. Results: Behavioral results revealed that the elderly group showed significantly lower accuracy and longer response time than the younger group. ERP analysis showed that there was no significant difference between the two groups in the 150-300 ms range. However, for the younger group, the N400 component was observed in the 300-500 ms range regardless of word frequency when the phonological rule was not applied and was more apparent under the low word frequency condition. The topographic patterns of the grand average ERP waveforms for the elderly group showed that the N400 component appeared only under high word frequency when the phonological rule was not applied. However, when the phonological rule was applied, the N400 component was observed only under the condition of low word frequency. Conclusion: Differences in the pattern of applying phonological rules associated with word frequency were found between groups. The current study indicates that word frequency and aging may affect the ability to apply phonological rules. The result of age-related differences in ERP analysis reflects a decline in the simultaneous neural processing of phonological and semantic information. 배경 및 목적: 본 연구는 단어재인 과정에서 단어빈도 및 음운규칙 적용 여부에 따라 나타나는 집단(청년층 및 노년층) 간 연령에 따른 수행력 차이를 사건관련전위(event-related potential, ERP)를 통해 살펴보고자 하였다. 방법: 정상 청년층(17명) 및 노년층(18명) 총 35명이 참여하였다. 피험자들은 시각단어 제시 이후 연이어 들려오는 청각단어를 비교하여 음운규칙이 올바르게 적용되었는지를 판단하였다. 과제가 시행되는 동안 정반응률(%), 반응시간(ms) 및 뇌파가 측정되었다. 결과: 행동분석 결과, 노년층은 청년층에 비해 유의하게 낮은 정확도와 긴 반응시간을 보였다. ERP분석 결과, 150-300 ms 구간에서는 집단 간 유의한 차이가 나타나지 않았다. 하지만, 300-500 ms 구간에서 청년층의 경우 모든 빈도에서 음운규칙 미적용 시 N400 성분이 관찰되었고 저빈도 조건에서 더욱 뚜렷하게 나타났다. 반면, ERP 분석 결과로 얻어진 전체 평균 파형(grand average waveforms)을 살펴보았을 때, 노년층의 경우 고빈도 조건에서는 청년층과 동일하게 음운규칙 미적용 시 N400 성분이 관찰되었으나, 저빈도의 경우 음운규칙 적용 시 N400 성분이 관찰되었다. 논의 및 결론: 청년층과 노년층이 단어빈도에 따라 음운규칙을 적용하는 양상에 있어 차이를 보였으며, 이러한 차이는 저빈도 단어이고 음운규칙 미적용 조건에서 두드러지게 나타났다. ERP 분석을 통해 나타난 연령에 따른 차이는 노화로 인해 음운정보와 의미정보를 동시에 처리하는 능력이 저하된 것이 반영된 것으로 해석된다.

        • KCI등재
        • KCI등재

          여자한복의 인상형성 연구 : 디자인의 변형과 배색을 중심으로

          강혜원,고애란 한국의류학회 1991 한국의류학회지 Vol.15 No.2

          The purpose of this study was to investigate the effects of design modification, decoration and color scheme of traditional Korean women's clothing on impression formation by 2 age groups of women. The instruments developed for the study were 2 sets of stimuli and a response scale. Stimuli Ⅰ (design stimuli) consisted of 6 line drawings of female figures in Korean clothing and modified Korean style clothing, whereas stimuli Ⅱ (color stimuli) consisted of 6 colored drawings of female figures in different color schemes. The 7-point semantic differential scale of 14 bipolar adjectives were used for the response scales. 144 female college students and 144 middle-aged women subjects were randomly assigned to one of 6 drawings from each set of stimuli. The data were analyzed by factor analysis, ANOVA and t-test. 1) There factors emerged to account for dimensions of design and color scheme, respectively. The first factor was interpreted as Evaluation/Prestige both in design (stimuli Ⅰ) and color scheme (stimuli Ⅱ), the second factor was Modernity for stimuli I, and the third factor for stimuli Ⅰ was Practicality. On the other hand, the Luxuriousness/Individuality was factor 2 and Modernity was factor 3 for stimuli Ⅱ. 2) Modification had the largest effect on impressions regarding design and decorated designs had a partial effect on the impression of Modernity and Practicality. The female figures in modified Korean style clothing were perceived as more prestigious, modern and practical than those in traditional Korean clothing. 3) Color schemes had little effect on impressions, while perceiver's age had a larger effect. Middle-aged women formed more positive impressions toward Korean clothing of various color schemes than female college students.

        • KCI등재
        • KCI등재
        • 자기모니터링과 의복태도 및 유행의사선도력의 관련 연구

          강혜원,홍희숙 연세대학교 생활과학연구소 1992 生活科學論集 Vol.6 No.-

          The purpose of this study was (1) to investigate the differences between high self-monitors and law self-monitors in their fashion opinion leadership, and attitudes toward clothing (importance, conformity, exhibition, aesthetics, status symbol, sexual attraction), and (2) to study differences in fhshion opinion leadership among 4 sub-groups categorized by cross-classification by levels of self-monitoring and attitudes toward clothing. Self-monitoring was measured by Gangestad and Synder's Self-Monitoring Scale, and six aspects of clothing attitude and fashion opinion leadership were assessed with modified Likert type questions based on previous research. The sample consisted of 531 female college students in Seoul. The data were collected by means of self-administered questionnaire and were analyzed by correlation, multiple regression analysis, one-way ANOVA and Scheffe´'s test. The results indicated that (1) there were significant differences between High self-monitors and Low self-monitors in their fashion opinion leadership and clothing attitudes. (2) there were significant differences on fashion opinion leadership among 4 sub-groups categorized by cross classification of self-monitoring and clothing attitudes. (3) High self-monitoring/high clothing attitude groups all had the highest score on fashion opinion leadership, whereas low self-monitoring/low clothing attitude groups had the lowest score on fashion opinion leadership. (4) In general, the level of clothing attitude had a stronger effect on fashion opinion leadership than self-monitoring.

        • 남·녀 고등학생의 의복행동연구 : 교복·사복 선호 및 적절한 의복유형을 중심으로 Attitudes toward School Uniforms and Appropriate Clothing Styles for Designated Occasions

          강혜원,이선경 연세대학교 생활과학연구소 1991 生活科學論集 Vol.5 No.-

          This study was concerned with several aspects of clothing behavior of high school boys and girls. Specifically, the purpose of this study was to investigate: 1) attitudes toward school uniforms, 2) appropriate clothing style for 5 designated occasions, 3) feelings about wearing inappropriate clothing, and 4) fashion interest. Likert type questionnaires measured attitudes toward school uniforms, feelings about wearing inappropriate clothing, and fashion interest. In addition, 24 line drawings of clothing styles categorized as school uniforms, casual, fashion forward, sportswear/classic were used as stimuli to determine appropriate clothing styles for 5 ocassions (school, library, formal occasions, dating, and at home). The questionaires were completed by 450 second grade high school students (227 boys and 223 girls) in Seoul. Statistical analyses were by correlation, t-test, and percentages. The results showed that the most positive aspect of wearing a school uniform was the ability to concentrate on study without paying too much attention to daily clothing selection. The lack of individuality was the least liked aspect of a school uniform. Inappropriate clothing produced a higher negative affect in girls than in boys. Students who were high in fashion interest had more negative attitudes toward school uniforms, and they felt more negative about inappropriate clothing. In general, there were mire similarities than differences between boys and girls on the selection of appropriate clothing styles based on 5 categories for most occasions. Regarding individual styles within each category, boys selected more definite styles, whereas girls selected

        • KCI등재
        • KCI등재

          의복의 색과 신체 노출이 정숙성인상에 미치는 영향

          강혜원,고애란 한국의류학회 1992 한국의류학회지 Vol.16 No.3

          The purposes of this study were to investigate 1) the effect of body exposure and color of a woman's suit on the perception of modesty, and 2) the effect of perceiver's sex and age on impression formed by the function of clothing variables. The instrument of this study consisted of a response scale and stimuli. Thirteen items of 7-point semantic differential scales were developed to measure the perceiver's impression on wearer's modesty. Stimuli were color pictures of a model wearing one of 8 types of suit constructed by a 2 x 2 x 2 factorial design. The manipulation of each level of the clothing variables were: color of the suit by black and red, leg exposure by varying skirt lengths to a Chanel-line and mini skirt, and neck exposure by shirt collar blouse and scarf. Two models, representing typical female college students living in Seoul, were selected to eliminate model effect. The sample include 384 subjects, consisting of 4 groups of male and female college students and middle aged men and women. Eight experimental groups were randomly assigned to one of eight stimuli based on between-subject design. One half of each group responded to model 1 and the other half to model 2 of same stimulus. Responses to the semantic differential scales were factor analyzed (pc model. Varimax rotation) to identify factors constructing impression of modesty. Two factors emerged regardless of subgroups: Elegance and Extroversion factor. The first factor was found to be dominant, accounting for 60 percent of the total variance. The other accounted for just 11 percent. Multidimensional ANOVA (5-way, 3-way) was conducted to test the effect of the clothing variables against two factors identified from the factor analysis. Leg exposure was the most powerful variable affecting the impression of Elegance and Extroversion factor for all perceiver subgroups. Neck exposure had primary effect on the impression of Elegance, whereas it partially influenced that of Extroversion. Color of suit had only partial effect on the impression of Extroversion. Hypothesis I was partially supported from the findings above. The effect of perceiver's age and sex on impression by the function of clothing variables was tested by comparing the result between four subgroups. In forming an impression of the wearer's modesty, male college students were least affected by the manipulation of clothing variables, while middle aged males were affected most. In the female groups, there was no age difference and they fell between the male groups in the degree to which they were affected. Hypothesis II was supported only by age difference in two male groups, and by sex difference in two student groups.

        • KCI등재

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