• Title/Summary/Keyword: 인지적 난이도 수준

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Effects of Cognitive Style and Training Context on Visual Discrimination Skill Acquisition and Transfer under Time Pressure (시간압력 상황에서 인지양식과 학습맥락이 시각변별의 기술습득과 전이에 미치는 효과)

  • 박정민;김신우;이지선;손영우;한광희
    • Science of Emotion and Sensibility
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    • v.6 no.3
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    • pp.63-72
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    • 2003
  • This study investigated how cognitive style and training context influenced visual discrimination skill acquisition and transfer under time pressure. This experiment consisted of a screening session, a training session, and a transfer session using random polygon comparison tasks. Screening session was designed to separate participants according to their cognitive style (analytic or holistic). Training session was divided into difficult and easy conditions. In transfer session, participants compared polygon pairs in a novel task. The stimuli were presented for 1.5 seconds to examine the influence of time pressure. Through the all sessions, this experiment measured accuracy and response time. According to the results of this study, analytic group responded as quickly as holistic group in the beginning of training session because time pressure induced them to the holistic strategy. However, as training session progressed, their slopes of reaction time increased, suggesting that their own analytic style emerged. Holistic group showed flatter slopes than did analytic group for training session. Of interest is the slopes increased at the beginning of transfer session, suggesting that they developed analytic strategies in difficult training context. It is suggested individuals differently develop strategic processing skills depending on cognitive styles even under time pressure.

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Eye-movements in reading easy and difficult texts (난이도가 다른 덩이글 읽기에서의 안구운동 양상)

  • Yoon, Nak-Yeong;Koh, Sung-Ryong
    • Korean Journal of Cognitive Science
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    • v.20 no.3
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    • pp.291-307
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    • 2009
  • This study investigated global and local characteristics of eye movement while 30 college students read easy and difficult Korean texts. It was found that readers who read the difficult text fixated longer for about 217ms and made shorter saccades of about 3.7 characters while readers who read the easy one fixated for about 190ms and made saccades of about 4.8 characters. Single fixation times and gaze durations in the difficult text were longer than those in the easy one(227ms vs. 195ms; 266ms vs. 210ms). In both easy and difficult texts, the effects of word frequency and eojeol length were found. In addition, the differences in fixation times according to word frequency and length were larger in the difficult text.

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Development of Program for Enhancing Learners' Mathematics Learning Motivation and Analysis of Its' Effects (수학 학습 동기 증진 프로그램 개발 및 적용 효과 분석)

  • Kim, Bumi
    • School Mathematics
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    • v.18 no.2
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    • pp.397-423
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    • 2016
  • Mathematics learning motivation is an important variable which is not only the primary goal of learning mathematics but also mediates the effects of the mathematics learning. Nevertheless, the present learning environment is full of impeding factors which reduce learners' motivation to learn mathematics and mathematical self-regulatory efficacy. The purpose of this study is to offer various suggestions for program to enhance and forster mathematics learning motivation based on empirical findings and theories on motivation, self-regulatory learning, regulatory focus, reducing academic stress and math anxiety. The concrete and practical ideas are suggested in terms of mathematical self-regulatory efficacy, learners' characteristics, learning task. The analysis of the effects revealed a positive effect on mathematical self-regulatory learning.

The effect of anchor extremity and question difficulty on anchoring effect (기준점의 극단성과 문항 난이도가 기준점 효과에 미치는 영향)

  • Lee, Myoungjin;Lee, Yoonhyoung;Kim, Kyungil
    • Korean Journal of Cognitive Science
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    • v.33 no.1
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    • pp.77-93
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    • 2022
  • Previous studies have reported that a plausible reference point has a greater anchoring effect than an extreme reference point. It is also known that the anchoring effect decreases when the individual's level of knowledge related to a given item is high. However, there has been no study examining the interaction of the plausibility of the reference point and the difficulty of the given question. Therefore, in this study, the effect of the reference plausibility and the difficulty of the questions on the anchoring effect were examined. The relationship between the response confidence and the anchoring effect was also examined. To do so, easy and difficult questions, plausible and extreme reference points were selected through preliminary research. The experiment was conducted following the 'standard anchoring task procedure'. As results, the extremity of the reference point and the difficulty of the question affected the size of the anchoring effect respectively. The difficulty of the question also affected the confidence of the response. Specifically, when a plausible reference point was presented and when a difficult question was presented, the anchoring effects were increased. In addition, the lower the confidence in one's performances, the greater the influence of the reference point when an extreme reference point was presented. These results show that the plausibility of the given reference point and the difficulty of the item have different effects on the magnitude of the anchoring effect and the degree of confidence. The results of this study support the attitude change perspective regarding the anchoring effect, which suggests that the anchoring effect varies depending on the characteristics of the reference point and the individual's knowledge.

The Effect of the Selective Cognitive Program Training on the Cognition, Activity Daily Living and Depression of the Elderly with Dementia (선택형 인지자극프로그램 훈련이 경도 치매노인의 인지, 일상생활활동 및 우울에 미치는 효과)

  • Hwang, Min-Ji;Bang, Yo-Soon
    • Journal of Korea Entertainment Industry Association
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    • v.13 no.7
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    • pp.521-529
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    • 2019
  • The purpose of this study was to examine the effects of customized cognitive stimulation therapy on cognition, depression, and activities of daily living in elderly with dementia in the community. The program consisted of 7 sessions, 50 minutes once a week, from March 4 to April 26, 2019. As a result, customized cognitive stimulation therapy improved the overall cognitive function, and it also increased the level of independence in the daily living and reduced the depression of the experimental group. It also showed significant differences in cognitive function when compared with control group. Therefore, the customized cognitive stimulation therapy of this study was to grasp the cognitive function of the elderly with dementia and present the cognitive tasks to the subjects for selection that induced interest and proved to be effective. Afterward, the activities were organized by difficulty according to the level of cognitive function for each session, leading to the improvement of cognitive function. Additionally, the subjects were experienced success by participating actively and continually in the activities selected with interest. Through this, it was thought to have a positive effect on the spontaneity of activities of daily living and decrease depression.

Correlation Analysis Between Awareness of the Serious Accidents and Safety Consciousness of Construction Workers Under the Act on the Punishment of Serious Accidents (중대재해처벌법 인지 정도와 건설 근로자 안전 의식 수준의 상관관계분석)

  • Seo, Youngjun;Kim, Seulgi;Lee, Dongyeope;Jung, Junhwi;Kim, Daeyoung
    • Korean Journal of Construction Engineering and Management
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    • v.25 no.3
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    • pp.47-57
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    • 2024
  • The purpose of this study was to analyze the Correlation Analysis between Awareness of the Serious Disaster and Safety Consciousness of Construction Workers under the Act on the Punishment of Serious. A survey was conducted on construction workers, construction managers, and safety managers. The results of this study were as follows; The correlation analysis conducted among the three groups indicated a significant correlation, with safety managers demonstrating the highest correlation, followed by construction managers and construction workers, and all three groups exhibited a moderate correlation. The correlation analysis conducted for the entire group also revealed a significant correlation, and as the number of participants increased, higher correlation coefficients were observed. Furthermore, to ascertain the significance of the correlation coefficients, a comparison was made between the p-value and the significance level (α). Consequently, a p-value smaller than the significance level of 0.05 was obtained, leading to the rejection of the null hypothesis and the acceptance of the alternative hypothesis. Therefore, it can be concluded that there is a relationship between the level of awareness of the serious Accidents Punishment Act and the level of Safety Consciousness of Construction. One limitation of this study is that it relied on a subjective indicator through a survey, which may introduce variability in the difficulty level of the questionnaire items.

Development of Preventive Self-Management Knowledge Related to Premature Labor (PSMK-PL) Scale for Women of Childbearing Age : An Item Response Theory Approach (가임 여성의 조기진통에 대한 예방적 자가관리 지식 측정 도구 개발: 문항반응이론 적용)

  • Kim, Sun-Hee;Lee, Yu-Jin
    • The Journal of the Korea Contents Association
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    • v.22 no.9
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    • pp.439-450
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    • 2022
  • Purpose: This study was to develop the Preventive Self-Management Knowledge related to Premature Labor (PSMK-PL) scale for women of childbearing age. Methods: Preliminary items were developed based on the literature and interview results of those who experienced premature labor. The online survey was conducted and the data of 250 women were analyzed using the DIMTEST and DETECT programs by applying the item response theory. Internal consistency reliability was analyzed with Cronbach's alpha (95% CI). Results: Among the 30 preliminary items, six items were deleted. The difficulty and discrimination of the 24 final three-dimensional scales were all acceptable, respectively. Cronbach's alpha (95% CI) was .89 (.87~.91). Conclusion: The PSMK-PL scale generally consisted of items with validity, and the reliability was acceptable.

The Effects of a Cognitive Stimulation Activity Program on the Mild Cognitive Impairment Elderly's Cognitive Function, Self-Efficacy, and Depression (인지자극 활동프로그램이 경도인지장애 노인의 인지기능, 자기효능감, 우울에 미치는 영향)

  • Bang, Ju-Hee;Bang, Yo-Soon;Son, Bo-Young;Oh, Eun-Ju
    • Journal of Korea Entertainment Industry Association
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    • v.13 no.3
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    • pp.231-248
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    • 2019
  • The purpose of this study was to implement a cognitive stimulation activity program and examine its effects elderly people who is capable of daily life and community activities but suffering from per sistent cognitive decline on the elderly's cognitive function, self-efficacy, and depression. The purpose of this study was to help elderly people who is capable of daily life and community activities but suffering from persistent cognitive decline improve their ability to perform and adapt to activity-based tasks incorporating a variety of actions of different subdomains and difficulty levels, ac cording to their characteristics and cognitive levels. The aim of the program created was to systemati cally improve the subdomains of cognitive functions and eventually preventing these conditions develo ping into dementia in those affected. This study also enabled the subjects to improve their self-effica cy through newly gained positive perceptions and attitudes toward their own abilities by successfully expressing their experience or thoughts about circumstantially and relationally meaningful events and memories, and performing activities that promote sensory stimulations. The group activities conducted as part of the study helped the subjects reduce their symptoms of depression not only by expressing their thoughts and emotions, but also by encouraging empathy with, understanding of, and caring for others. Given that this study confirmed the potential of the cognitive stimulation program designed fo r it as a clinical intervention for elderly people with cognitive impairment, it is suggested as a useful preventive program for early stage dementia.

An Exploratory Study on the Taxonomy of Technological Learning Processes in Korean Firms: Focused on the Integrative Organizational Learning Theory (한국기업의 기술학습과정 유형의 도출에 관한 탐색적 연구: 통합적 관점의 조직학습이론을 중심으로)

  • Bong Sun-Hark
    • Journal of Korea Technology Innovation Society
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    • v.9 no.1
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    • pp.149-174
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    • 2006
  • Although conceptual and empirical researches on the technological learning is increasing rapidly, a few empirical researches of technological learning processes have been undertaken, taking into account a reality of learning processes of a firm. In order to analyze the learning processes of technological knowledges, based on integrative organizational learning theory, this study investigated technological learning processes by analyzing 13 technology development projects of one company with case study research design. Results of the empirical analyses suggested two taxonomy of technological learning processes. First are tour group of technological learning processes derived by the dimension of flow of cognitive and behavioral learning which is explained by the technological competency level of a firm. The other is two group of technological learning processes derived by the dimension of relative difficulty of cognitive and behavioral learning which is explained by the technology characteristics. Finally, the managerial implications for effective management of technological learning and limitations are discussed.

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The Influence of Number of Targets on Commonness Knowledge Generation and Brain Activity during the Life Science Commonness Discovery Task Performance (생명과학 공통성 발견 과제 수행에서 대상의 수가 공통성 지식 생성과 뇌 활성에 미치는 영향)

  • Kim, Yong-Seong;Jeong, Jin-Su
    • Journal of Science Education
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    • v.43 no.1
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    • pp.157-172
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    • 2019
  • The purpose of this study is to analyze the influence of number of targets on common knowledge generation and brain activity during the common life science discovery task performance. In this study, 35 preliminary life science teachers participated. This study was intentionally made a block designed for EEG recording. EEGs were collected while subjects were performing common discovery tasks. The sLORETA method and the relative power spectrum analysis method were used to analyze the brain activity difference and the role of activated cortical and subcortical regions according to the degree of difficulty of common discovery task. As a result of the study, in the case of the Theta wave, the activity of the Theta wave was significantly decreased in the frontal lobe and increased in the occipital lobe when the difficult difficulty task was compared with the easy difficulty task. In the case of Alpha wave, the activity of Alpha decreased significantly in the frontal lobe when performing difficult task with difficulty. Beta wave activity decreased significantly in the frontal lobe, parietal lobe, and occipital lobe when performing difficult task. Finally, in the case of Gamma wave, activity of Gamma wave decreased in the frontal lobe and activity increased in the parietal lobe and temporal lobe when performing the difficult difficulty task compared to the task of easy difficulty. The level of difficulty of the commonality discovery task is determined by the cingulate gyrus, the cuneus, the lingual gyrus, the posterior cingulate, the precuneus, and the sub-gyral where it was shown to have an impact. Therefore, the difficulty of the commonality discovery task is the process of integrating the visual information extracted from the image and the location information, comparing the attributes of the objects, selecting the necessary information, visual work memory process of the selected information. It can be said to affect the process of perception.