• Title/Summary/Keyword: students' responses

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Psychophysiological Reactivity to Affective Visual Stimulation of Negative Emotional Valence: Comparative Analysis of Autonomic and Frontal EEG Responses to the IAPS and the KAPS

  • Sohn, Jin-Hun;Estate M. Sokhadze;Lee, Kyung-Hwa
    • Science of Emotion and Sensibility
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    • v.3 no.2
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    • pp.29-40
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    • 2000
  • Autonomic and EEG responses were analyzed in 32 college students exposed to visual stimulation with Korean Affective Picture System (KAPS) and 36 students exposed to the International Affective Picture System (IAPS). Cardiac, electrodermal, and electrocortical measures were recorded during 30 sec of viewing affective pictures. The slides intended to elicit basic emotions (fear, anger, surprise, disgust, and sadness) were presented to subjects via Kodak slide-projector. The aim of the study was to differentiate autonomic and EEG responses associated with the same negative valence emotions elicited by KAPS and IAPS stimulation and to identify the influence of cultural relevance on physiological reactivity. The analysis of obtained results revealed significant differences in physiological responsiveness to emotionally negative valence slides from KAPS and IAPS. The typical response profile for all emotions elicited by the KAPS included HR acceleration (except surprise), and increase of electrodermal activity, slow and fast alpha blocking and fast beta power increase in EEG, which was not associated with significant asymmetry (except fast alpha in sadness). Stimulation with the IAPS evoked HR deceleration, specific electrodermal responses with relatively high tonic electrodermal activation, alpha-blocking and fast beta increase, and was accompanied also by theta power increase and marked frontal asymmetry (e.g., fast beta, theta asymmetries in sadness, fast alpha in fear). Physiological responses to fear and anger-eliciting slides from the IAPS were significantly less profound and were accompanied by autonomic and EEG changes more typical for attention rather than negative affect. Higher cardiovascular and electrodermal reactivity to fear emotion observed in the KAPS, e.g., as compared to data with the IAPS as stimuli, can be explained by cultural relevance and higher effectiveness of the KAPS in producing certain emotions such as fear in Koreans.

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An Analysis about the Features of Mathematical Learning of Middle School Students through the Distribution Graphs of the Responses Percentages in National Assessment of Educational Achievement (학업성취도 평가에서 답지 반응률 분포 그래프를 활용한 중학생의 수학과 학업 특성 분석)

  • Jo, Yun Dong;Lee, Kwang Sang
    • Journal of Educational Research in Mathematics
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    • v.25 no.1
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    • pp.1-19
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    • 2015
  • This paper aims to explore what we can improve in the curriculum, teaching-learning, and evaluation on the bases of the analyses of multiple-choice items set in National Assessment of Educational Achievement. For this goal, by using the distribution curves of the responses percentages, we will grasp the features of educational achievement which appear to students through an in-depth analysis about not only item itself but also the contents included in particular distracters. These analyses provide more information than the descriptive statistical values such as the mean of correct answer percentage and the discrimination of whole group and the mean of responses percentages of replies of subgroups. Because the distribution curves of the responses percentages reveal the transition from the lowest to the highest educational achievement very well. From these analyses we acquire the implications about the concept of prime factor or prime factorization, ratio(proportion) such as velocity, linear function, volume of cone, properties of solid figure, and probabilities of empty event and total event.

An Analysis of Likability of Insects in Korea

  • Bae, Sung Min;Jun, Young Soon;Shin, Tae Young;Woo, Soo Dong
    • International Journal of Industrial Entomology and Biomaterials
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    • v.29 no.2
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    • pp.193-197
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    • 2014
  • To investigate the degree of individuals' likability of insects, a survey was conducted with students and adults living in Korea. Overall, for insect-related questions, positive responses were higher than negative ones. Among the positive responses, the personal rearing of insects scored lower than others. The unconditional dislike of insects scored highest in the negative responses. A significant differences and correlations were found between males and females, students and adults, people experienced in insect-related events and those who were not. In particular, previous experience in insect-related events significantly influenced insect likability. Subjects preferred coleopteran and lepidopteran insects to others. However, this preference of insects differed by gender: Male participants preferred coleopteran insects to lepidopteran insects, while female participants preferred lepidopteran insects to coleopteran ones. No significant differences in the preference of insects were found by participants' job, residence, or experience in insect-related events. These findings suggest that gender is the most important factor to consider in selecting insects to be used as therapeutic tools in mental health care.

A Development of the Test for Mathematical Creative Problem Solving Ability

  • Lee, Kang-Sup;Hwang, Dong jou;Seo, Jong-Jin
    • Research in Mathematical Education
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    • v.7 no.3
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    • pp.163-189
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    • 2003
  • The purpose of this study is to develop a test, which can be used in creative problem solving ability in mathematics of the mathematically gifted and the regular students. This test tool is composed of three categories; fluency (number of responses), flexibility (number of different kinds of responses), and originality (degree of uniqueness of responses) which are the factors of the creativity. After applying to 462 middle school students, this test was analyzed into item analysis. As a results of item analysis, it turned out to be meaningful (reliability: 0.80, validity: item 1(1.05), item 2(1.10), item 3(0.85), item 4(0.90), item 5(1.08), item difficulty: item 1(-0.22), item 2(-0.41), item 3(0.23), item 4(0.40), item 5(-0.01), item discriminating power: item 1(0.73), item 2(0.73), item 3(0.67), item 4(0.51), item 5(0.56), over the level of a standard basis. This means that the test tool was useful in the test process of creative problem solving ability in mathematics

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The Acquisition State and Perceptions about the Clothing-related National Skill Qualification Certificates (의상학 관련 국가기술자격증의 취득실태 및 인식)

  • Han, Seung-Hee;Bae, Ju-Hyeong
    • Journal of Fashion Business
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    • v.12 no.4
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    • pp.158-169
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    • 2008
  • This study aims to survey the perceptions held by students and field workers regarding the clothing-related qualification certificates, which can serve as the base for becoming clothing professionals, to compare and analyze the actual state of qualification certificates on the basic research level, and thus to search for the directions suitable for the clothing-related qualification certificates. The questionnaire method was selected for the study. The responses of 406 copies from students and 81 copies from field workers were used, and frequency analysis and t-test were done with the assistance of spss 10.0 statistics program, The findings are as follows. First, as to the qualification certificates perceived by the students, the certificates of colorist engineer and colorist industrial engineer were known most. 237 students, or 58.4% of the student respondents, had obtained the information about the qualification certificates mainly through the internet and mass media, and 77.3% of the students had a plan to get the qualification certificates. Second, as to the qualification certificates perceived by the field workers, the respondents indicated that school grades(43.2%) would be given the highest additional points at the time of employment, while the clothing-related qualification certificates gathered low responses of 11.1%. The field workers perceived that the qualification certificate of Western suit engineer(pattern) was needed for the job, while 45.4% of them perceived that no qualification certificate was required for the job. Third, both the students and the field workers showed low acquisition levels of the qualification certificates, and in view of their perceptions that the qualification certificates of languages or computer skills were more useful, the improvement is needed in order for the national certificates for the clothing-related skill qualification to develop in the more job-related directions.

Korean Students' Performance in Problem Solving Literacy in PISA 2003 (PISA 2주기 검사에서 한국 학생들의 문제해결 영역 성취도 분석)

  • Gwak, Young-Sun
    • Journal of the Korean earth science society
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    • v.25 no.8
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    • pp.647-655
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    • 2004
  • PISA (Program for International Student Assessment) 2003, the second cycle of PISA, collected data with respect to students' cross-disciplinary problem solving capabilities. Problem solving is defined as the ability to use cognitive processes to solve real cross-disciplinary problems. For the purpose of PISA 2003 assessment, three problem types were chosen: Decision Making, System Analysis and Design, and Trouble Shooting. For this paper a preliminary analysis on Korean students' responses to the PISA 2003 problem-solving items was conducted. The quantitative analysis mainly focused on the difficulties of the PISA 2003 items, while the quantitative analysis dealt with students' responses to open-ended items, which helped understand Korean students' cognitive style and reasoning processes. According to the item analysis result, Korean students had difficulty in representing their answers with pictures or graphs, and interpreting long and complex text. They also showed low achievement with relatively unfamiliar topics or tasks. The paper concluded with several suggestions on improve the quality of science education.

Development and evaluation of distance learning for the gifted students in science and mathematics (수학 ${\cdot}$ 과학 연재 원격 교육 프로그램 개발과 평가)

  • Jeong, Young-Kun;Koh, Yeong-Koo;Park, Jong-won;Yim, Jae-Hoon
    • Journal of Gifted/Talented Education
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    • v.13 no.3
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    • pp.1-17
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    • 2003
  • Development and evaluation of distance learning for the gifted students in science and mathematics In this study, we developed and administrated the distance learning for the gifted students in science and mathematics, and analysed their responses. To do this, four types of teaching programs - lectures using program for distance learning, practice activities using simulation program, tasks solving programs based on discussions, and problem solving activities - were developed and students responses were analysed in eight area - stimulus, difficulties, structure, learning circumstances, involvement, interaction, learning outcomes, comparison with other learning -. As results, it was found that many students responded positively and thought programs helped their creativity, logical thinking, intelligent ability, and information searching ability. Students preferred practice activities based on appropriate guidances to lectures providing detailed explanations. And interaction could be stimulated by inducing discussion.

A Study on The Clothing Behavior and Clothing Norms of Middle School and High School Girls -Focusing on Clothing Regulations in the School- (여자중.고등학생의 복식행동과 복장규범에 대한 연구 -학교에서의 복장규정을 중심으로-)

  • 유덕화;박찬부
    • Journal of Korean Home Economics Education Association
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    • v.3 no.1
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    • pp.147-161
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    • 1991
  • The purpose of this study was to investigate the following contents: 1. Relationship between clothing behavior(modesty, conformity, importance) and clothing regulations of school girls. 2. The differences between middle school girls and high school girls in clothing behavior and in attitude toward clothing regulations. 3. The differences between students herself norms and subiective norms(the students thoughts which would be parents opinions and teachers opinions) in attitude toward clothing regulations. Questionnaires were designed and administered to 300 middle school girls and 302 high school girls in Inchon. The obtained data were statistically analyzed by Pearson’s correlation coefficients, t-test, F-test, and Duncan test. The results of the study were summarized as follows: 1. As tho the differences in responses between school levels, the high school girls showed higher interest in conformity. But there is no differences in Modesty and Importance by school levels. 2. As tho the differences in responses between school levels, there were no differences in attitude toward clothing regulations. But according by types of clothing regulations, high school girls showed higher desire in shoes and sack. 3. In correlation coefficients between the variables on clothing behaviors and the attitudes toward clothing regulations of school girls, modesty is the most related toward clothing regulations of school girls and conformity, importance the next. The higher the school girls are in modesty, the more follow the clothing regulations. And the higher the school girls are in conformity and importance, the lower follow the clothing regulations. 4. The differences between students herself norms and subjective norms(the students thoughts which would be parents opinions and teachers opinions), students and parents showed lower scores than teachers. That is tho say, teachers put more restrictions on students clothing than parents do.

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An Analysis of Teacher Questioning Focused on Mathematical Creativity (수학적 창의성 관점에서 본 교사의 발문 분석)

  • Han, Jung-Min;Park, Man-Goo
    • Journal of Elementary Mathematics Education in Korea
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    • v.14 no.3
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    • pp.865-884
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    • 2010
  • The purpose of this research was to analyze the characteristics of teachers' questionings in the geometry field and suggest the characteristics of teacher questioning to enhance students' mathematical creativity. Teacher questioning plays a role to students' mathematical achievements, mathematical thinking, and their attitudes toward mathematics. However, there has been little research on the roles of teacher questioning on students' mathematical creativity. In this research, researchers analyzed teachers' questions concerning the concepts of triangles in the geometric areas of 4th grade Korean revised 2007 mathematics textbooks. We also analyzed teachers' questionings in the three lessons provided by the Jeju Educational Internet Broadcasting System. We classified and analyzed teachers' questionings by the sub-factors of creativity. The results showed that the teachers did not use the questionings that appropriately enhances students' mathematical creativity. We suggested that teachers need to be prepared to ask questions such as stimulating students' various mathematical thinking, encouraging many possible responses, and not responding with yes/no. Instead, teachers need to encourage students to explain the reasons of their responses and to take part in learning activities with interest.

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Analyzing eighth grade students' errors in the constructed-response assessment: A case of algebra (중학교 2학년 서술형 평가 문항 반응에서 나타난 오류 분석 : 대수 영역을 중심으로)

  • Kim, Rae Young;Lee, Min Hee
    • Journal of Educational Research in Mathematics
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    • v.23 no.3
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    • pp.389-406
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    • 2013
  • The purpose of this study is to analyze eighth grade students' errors in the constructed-response items to improve teaching and learning of mathematics in schools. By analyzing 99 students' responses to nine constructed-response items, we found several types of students' errors in their responses to the assessment items involving with mathematical reasoning and representations, problems within realistic contexts, and mathematical connections. Not only a single error but also multiple errors (a combination of two or more types of errors) were discovered. In particular, high achieving students showed more simple errors than multiple errors while low achieving students had more multiple errors in various kinds.

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