• Journal of the Korean Home Economics Association
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• v.23 no.4
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• pp.143-152
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• 1985

This study intends to investigate preschool-sibling's spontaneous imitation during their free-plays through the observation of 41 pairs of siblings aged from 1 to seven years. RESULTS : 1. Sibling's imitation showed in all subjects and had various distribution according to sibling's personalities. 2. Because of sibling's several facts. Their imitation showed differently. 1) Imitation appeared to decline to decline as children grew older. Imitation showed most frequently at the age of 2 years, and decreased after that. 2) Due to the effect of birth-order, the younger one showed his imitation approximately 4.3 times more than the elder one. 3) The effect of sex-composition seemed to coincide with the sex-typing hypothesis rather than the like-sex hypothesis. 4) Boy's imitation showed more frequently than girl's, but the difference was not so significant to be noticed. 3. In siblings, physical imitation was more frequent than verbal imitation, but it was reversed in peer's imitation. 4. The play-situation in which sibling's imitation showed mostly differed from that of Peer's imitation. That is, sibling's imitation appeared in solitary play but peers imitation did appear in associate play.

• Journal of IKEEE
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• v.25 no.4
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• pp.644-649
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• 2021

Self-Imitation Learning is a simple off-policy actor-critic algorithm that makes an agent find an optimal policy by using past good experiences. In case that Self-Imitation Learning is combined with reinforcement learning algorithms that have actor-critic architecture, it shows performance improvement in various game environments. However, its applications are limited to reinforcement learning algorithms that have actor-critic architecture. In this paper, we propose a method of applying Self-Imitation Learning to Deep Q-Network which is a value-based deep reinforcement learning algorithm and train it in various game environments. We also show that Self-Imitation Learning can be applied to Deep Q-Network to improve the performance of Deep Q-Network by comparing the proposed algorithm and ordinary Deep Q-Network training results.

• International Journal of Internet, Broadcasting and Communication
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• v.14 no.2
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• pp.199-205
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• 2022

The purpose of this study is to investigate the causal relationship between the variables related to media sports violence viewing experience, negative emotion, aggression and violent imitation behavior of middle school students and high school students. The subjects of 240 middle school students and 240 high school students were surveyed for 2 months. Among the collected data, 64 samples judged to have low reliability were excluded from the analysis, and the final 416 data were used. The questionnaire used in this study consisted of four potential variables including experience of watching media sports violence, negative emotion, aggression, and violent imitation behavior. Among the sub-variables of experience of watching media sports violence, exogenous potential variables except frequency, period and time and questions that are endogenous potential variables were composed of a questionnaire of 5-point Likert scale. results of this study were analyzed using the AMOS statistical program, which was used to identify the causal relationship between watching media sports violence and negative emotion, aggression, and violent imitation behavior. There was no significant difference in violent imitation behavior according to school grade. The causal models for media sports violence viewing experience, negative emotions, aggression and violent imitation behavior were found to be appropriate. It was found that there was a significant causal relationship between the viewing experience of sports violence and the violent imitation behavior. Therefore, in order to reduce the imitation behavior of adolescents, it is necessary to be more careful about the production and viewing of sports violence programs at the institutions and homes that produce media.

• Journal of the Korean Chemical Society
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• v.21 no.2
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• pp.125-131
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• 1977

Soymilk prepared from soaked beans under processing conditions indicating in table 2, mixed with vegetable oil, carbohydrate, whey powder, and sodium-caseinate, and fortified with essential amino acids, vitamins and minerals and then made the imitation milk by spray drying. The Feed Efficiency Ratio (FER) and Over-All Nutritive value of spray dried imitation milk were tested with weanling Albino Rats and by chemical analysis methods. The FER of imitation milk M-2, and humanized milk, were respectively 0.24, 0.25 and that of cow's milk, imitation milk M-1 were 0.21, 0.20, compared with 0.24 for imitation milk M-2. The amino acid and fatty acid composition in imitation milk were analyzed by Gaschromatography and Amino Acid Autoanalyzer. The present paper describes the result of studies on the Feed Efficiency Ratio and Over-All Lutritive value concerning amino acid and fatty acid composition in imitation milk. We found that quality of essential amino acids and polyunsaturate fatty acid composition in imitation milk have an strong effect on Feed Efficiency Ratio.

• Asian Journal of Innovation and Policy
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• v.5 no.1
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• pp.1-18
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• 2016

Catch-up is a well-known and familiar terminology for innovation scholars in developing countries such as Taiwan, Korea and China. The strategy, however, is too difficult to perform in each industry. This study looks into a catch-up strategy that Apple and Xiaomi used and examines the results on the creative imitation of business model in the smartphone industry. It is quite surprising that even Apple is based on catch-up strategy. They wanted to catch-up Nokia. Our case study shows that these two companies quickly caught up with the leaders, and the common feature of their strategy is characterized as creative imitation of business model. Creative imitation of business model is different from creative imitation of innovation. Furthermore, this research confirms that the creative imitation of business model leads to aggressive creative innovation.

• The Korean Journal of Food And Nutrition
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• v.13 no.3
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• pp.235-241
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• 2000

화학적 성분 중 가장 많은 함량을 차지하고 있는지질에서는 조지질과 유리지질 함량이 imitation nut가 각각 58.7%, 45.9%로 네 종류의 천연 nut 류 중 ha-zelnut을 제외하곤 더 높았으나 부분 경화 대두유를 원료로 사용하여 결합지질의 양이 천연 nut류에 비해 적게 나타났고, 극성지질인 당지질과 인지질의 함량도 역시 낮게 나타났다. 또한 유지의 불포화도를 알 수 있는 요오드가도 산화 안정성이 우수한 imitation nut가 천연 nut류에 비해 낮은 값을 보이고 있다. 지방산 조성에서는 천연 nut류 중 peanut에서만 arachidic acid, eicsenoic acid, behenic acid, ligno-ceric acid를 분석할 수 있었고, imitation nut류 역시 대두유에서 특징적으로 나타나는 linolenic acid를 검출 할수 있었다. 아미노산 조성의 경우 천연 nut류와 imitation nut모두에서 glutamic acid의 함량이 가장 높게 나타났으며, 필수 아미노산의 함량은 imitation nut가 천연 nut류보다 약간 높은 것으로 나타났다.

• Korean Journal of Cognitive Science
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• v.23 no.4
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• pp.517-551
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• 2012

We are imitating animals. True imitation can be defined as a learning to do an act from seeing it done by others. We have been building culture by imitating others' skills and knowledge with high fidelity. In this regard, it is important to ask how the faculty of imitation has evolved and how imitation behaviors develop ontogenetically. It is also interesting to see whether nonhuman animals can imitate truly or not and how different imitation learning is among human and non-human animals. In this paper, first I review empirical data from imitation studies with human and nonhuman animals. Comparing different species, I highlight their different levels of copying fidelity and explain the reason why they are showing the difference. Then I review recent studies on neurobiological mechanisms underlying imitation. The initial neurobiological studies on imitation in humans suggested a core imitation circuitry composed of mirror neuron system [inferior parietal lobule(IPL) and inferior frontal gyrus(IFG)] and the posterior part of the superior temporal sulcus(pSTS). More recent studies on the neurobiology of imitation, however, has gone beyond the studies on the core mechanisms. Finally, I try to find out implications of psychology and biology of imitation for cultural evolution. I argue for a memetic approach to cultural evolution, along the lines with a recent study on measuring memes by mirror neurons system.

• Journal of Fashion Business
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• v.8 no.2
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• pp.1-14
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• 2004

The purpose of study is to analyze the consumer attitude toward original brand and imitation goods. To carry out this purpose, the study examined consumers' purchase frequency, degree of concern, future purchase, intention, other people's evaluation and self-satisfaction. The results of experiment can be summarized as follows: First, the consumers didn't show high degree of purchase frequency, of concern, of future purchase but they showed positive attitude in other people's evaluation and self-satisfaction. Second, they showed high degree of the purchase of imitation goods but they didn't show high degree of their degree of satisfaction. Third, with regard of their purchase intention, they purchased imitation goods because they were cheap, regardless of image, quality and design which original brand name goods had. Finally, to figure out the correlation between original brand name goods and imitation goods, their purchase intention of original brand name goods was surveyed according to their satisfaction with imitation goods after they purchased them. According to the result, they answered that they would purchase original brand name goods when they satisfied with imitation goods.

• Journal of Korea Trade
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• v.25 no.4
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• pp.128-145
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• 2021

Purpose - The main purpose of this study is thus to investigate the contingent effect of imitation strategies on firm performance in transition economies such as China, focusing on pure and creative imitation. Design/methodology - We conducted a survey targeting department heads of each company who have more than 10 years work experiences. We assessed that the ability to gain trust and to access information from high-ranking informants would be greater if the firms were from the same country - Korea - as the lead researcher. A total of 200 highly reliable samples were obtained, which could effectively explain the nine variables set in the study. Relevant hypotheses were tested using a hierarchical linear model (HLM). Findings - The findings suggest that SMEs' technology level also had a positive impact on performance. Firms with better technology had a positive impact on performance, irrespective of pure or creative imitation. This reflects the cases where many Korean SMEs entering China without high technology level lose their competitiveness due to Chinese firms' technology catch-up within a short period of time. Originality/value - SMEs that lack technology and know-how need to focus on pure imitation strategies. It is possible that SMEs can perform creative imitation, but it seems difficult under the current circumstances. Therefore, SMEs with limitations in technology and know-how should maintain their competitive advantage for a while, by maintaining their pure imitation strategy.

• Journal of the Korean Home Economics Association
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• v.40 no.4
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• pp.201-210
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• 2002

The purpose of this study was to extend the social teaming and imitation theory in an attempt to examine the effect of star-entertainer imitation behavior on clothing behaviors in relation to adolescents' age and gender variables. The research was a survey and the subjects were 895 adolescents in Taejon, Korea. The measuring instruments was serif-administrated questionnaire consisted of star-entertainer imitation behaviors and clothing behaviors. The collected data were analyzed using factor analysis, ANOVA, Duncan's multiple range test. Results were as fellows: 1) The results of analysing the response of star-entertainer imitation behaviors showed that adolescents had very positive attitudes and high psychological need to identify self with star-entertainers, however, their actual identification behaviors were not very noticeable because of parents' restraint and school regulations on students' appearances and clothing behaviors. 2) The results of analysing the response of clothing behaviors showed four factors such as 'fashion$.$clothing interest', 'psychological dependency on clothing' , 'clothing exhibition', and 'clothing conformity'. 3) Star-entertainer imitation behaviors had significant effects on clothing behaviors; the group with more star-entertainer imitation behaviors showed more fashion$.$clothing interest, higher psychological dependency on clothing and clothing exhibition, and lower clothing conformity than the group with less star-entertainer imitation behaviors. 4) Clothing behaviors showed the differences according as adolescents' age and gender; the female adolescents showed more fashion$.$clothing interest and clothing exhibition than male, the high school and cortege age groups showed higher psychological dependency on clothing than other age groups. It is concluded that the results of this study support social teaming and imitation theory since TV media give strong influence on the TV viewers through presenting various modeling stimuli to adolescents' lives.