• Journal of the Korean Chemical Society
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• v.55 no.6
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• pp.1030-1041
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• 2011

We investigated the understanding of pre-service science teacher about the chemistry concept of middle school curriculum using some items in National Assessment of Educational Achievement and analyzed the result according to background variables of pre-service science teacher. The result was that there were some pre-service science teachers who select incorrect answer at all items, pre-service science teachers don't fully understand the concept needed to solve item. And the percentage of correct answer at some items was low regardless of selection of chemistry as an elective subject at CSAT(College Scholastic Ability Test). We found some facts through the depth interviews to find the cause of the result. First, the misconception acquired in middle school days is tend not to change until college student. Second, the formation of misconception is affected by the study habit with which solve problem by simple calculation and memory without essential understanding. Third, the study habit with which solve problem by simple calculation and memory without essential understanding could not replace misconceptions acquired in middle school days with scientific concept regardless of selection of chemistry as an elective subject at CSAT.

• The Journal of Information Systems
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• v.21 no.2
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• pp.97-114
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• 2012

Given the rapid growth of social network services (SNS) such as Facebook and Cyworld, it is important to understand SNS users' decision-making processes such as purchasing and continuance intention. Especially, as a number of SNS providers such as Cyworld and Habbo Hotel recognize the sales of digital items as the main source of their profits, it is critical to in-depth understand SNS users' purchasing behaviors. In this regard, this study explores continued usage behaviors and purchase behaviors of digital items in an SNS environment using a longitudinal research method. This paper develops a theoretical model to deeply understand the key drivers of purchase behavior of digital items through constructs prescribed by two established research streams on information systems, namely continuance usage and habitual usage. Moreover, this study examines the effects of actual and ideal self-image congruity on SNS continuance intention and habit. The research model was tested by using survey data collected from 307 users who have experience with Cyworld. The analysis results show that SNS actual usage directly influence purchase behavior of digital items. SNS users' continuance intention and habit are key drivers to enhance the level of actual usage of the SNS. Both actual and ideal self-image congruity play a key role in enhancing continuance usage and habitual usage. The implication of research and discussions provides reference for SNS providers in marketing and IT strategy.

• Journal of the East Asian Society of Dietary Life
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• v.15 no.6
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• pp.773-781
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• 2005

Menu-development is one of the important parts in restaurant business. Menu in restaurant has to be developed by customer's net which is the key for the success in restaurant management, The purpose of this study is to determine stress level, food intake, food habit, food preference of employees in certain companies and to develop proper menus for employees who are under high stress state. This study also determine whether the customers under stress will visit restaurant which provide stress-release-menu or not This study was conducted to people who live in Seoul and its adjunct area, including Gyunggi Province. The subjects were selected at random and the Questionnaires were sent to the subject by mail. The surveys included personal information, extent of stress, food habits related to the stress. The statistical tests were performed with SPSS computer software program. The male subjects were $44.9\%$ and females were $55.1\%$, aged between $30\~40$ years old. The percentages of no risk, borderline, and at risk, in the stress level of subjects, were 48.3, 16.5 and $35.2\%$, respectively. Most of the subjects, $61.8\%$, had normal food habit and $29.2\%$ had bad food Habits. The ideal costs of meals were $3,000\~5,000Won$ for breakfast$(57.3 \%)$, $5,000\~10,000Won$ for lunch$(54.7\%)$, and $10,000\~20,000Won$ for dinner$(38.2\%)$. Subjects under high stress answered 0 need a dietary supplementation for stress release. This study also showed that $92\%$ of the subjects under stress were willing to visit restaurants which have stress-release menus. In conclusion, adults who are under stress are shown to be interested in stress and nutrition management and they are willing to visit restaurants providing stress-release menus.

• Proceedings of the Culinary Society of Korean Academy Conference
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• 2005.07a
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• pp.73-90
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• 2005

Korean adults have dietary habits of eating full three meals a day: breakfast, lunch and dinner evenly. The latest survey showed that people who have dinner most was 61.8%, and who have lunch most was 30.8% and then breakfast most was 7.4%. The Korean Nutrition Association suggests that daily required amount of salt intake is 3,450 mg (8.7 g). But the daily amount of salt intake of Korean people is 15 ${\sim} 20 g which surpasses the required amount. needed with 15 ~20g a day, which is usually formed before the age 6 as a dietary habit. When Koreans eat out, they choose Korean food(80.5%), Chinese food(7.0%), Western food(4.5%), fast food(4.8%), etc.(3.1%). The monthly frequency of the urban adults' eating out indicated 32.6% 'seldom', 41.1% 'less than 5 times monthly', 15.6% '5-10 times', 10.8% 'more than 10 times'. Most of them responded less than 5 times a month for eating out. If we look into dietary habits of the urban adults, the monthly eating out frequency of the respondents, was 73.6% of eating out by less than 5 times a month and was 74.9% of the respondents dine regularly.

• Proceedings of the Culinary Society of Korean Academy Conference
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• 2005.07a
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• pp.55-71
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• 2005

Korean adults have dietary habits of eating full three meals a day: breakfast, lunch and dinner evenly. The latest survey showed that people who have dinner most was 61.8%, and who have lunch most was 30.8% and then breakfast most was 7.4%. The Korean Nutrition Association suggests that daily required amount of salt intake is 3,450 mg (8.7 g). But the daily amount of salt intake of Korean people is 15 ~ 20 g which surpasses the required amount. needed with 15 ~20g a day, which is usually formed before the age 6 as a dietary habit. When Koreans eat out, they choose Korean food(80.5%), Chinese food(7.0%), Western food(4.5%), fast food(4.8%), etc.(3.1%). The monthly frequency of the urban adults' eating out indicated 32.6% 'seldom', 41.1% 'less than 5 times monthly', 15.6% '5-10 times', 10.8% 'more than 10 times'. Most of them responded less than 5 times a month for eating out. If we look into dietary habits of the urban adults, the monthly eating out frequency of the respondents, was 73.6% of eating out by less than 5 times a month and was 74.9% of the respondents dine regularly.

• Korean Journal of Community Nutrition
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• v.1 no.2
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• pp.189-200
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• 1996

This study was carried out with 1030 students of Seoul National University to investigate the relationship between residences and food habits of college students. The results obtained were as follows. 1) Food habit scores of the students living in dormitories and in boarding homes with cooking facilities were significantly lower than those of other students, especially with regards to the balance of five basic food groups and skipping breakfast. 2) Energy intake of students living in the boarding homes with meals were low. Students in the boarding home also showed low intake of calcium and iron, whether meals were provided or they had cooking facilities. 3) Cafeteria meals on campus showed better nutritional values than meals at home, or restaurants around the campus. But students were not satisfied with campus cafeterias, because the food items were monotonous, they had long waiting service lines, preferred foods were limited, dishes were not clean, and stated of hygiene did not seem satisfactory. Nutrition education for college students is needed, and menus of campus cafeterias should be developed to meet the various needs of students. (Korean J Community Nutrition 1(2) : 189~200, 1996)

• Korean Journal of Community Nutrition
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• v.6 no.5
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• pp.734-743
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• 2001

Iron deficiency anemia is a worldwide public health problem relevant to unsound nutritional practice. While the prevalence of iron deficiency anemia is very common among pregnant women, appropriate nutritional service programs to improve the iron status are lacking in Korea. In an attempt to develop a nutritional screening tool to separate the high-risk subjects of iron deficiency, we carried out a nutritional survey for 115 Korean pregnant women whose gestational age ranged from 13 to 24 weeks. Each subject was interviewed with questionnaires for general characteristics and dietary habits. Food intake was measured by 24-hour recap method and 2 day record. Fasting blood was drawn for measuring hemoglobin and serum ferritin. It appeared that half of the pregnant women belonged to the anemia group and had insufficient dietary habits to provide adequate amounts of dietary iron. The first gravida and the working women had better hematological iron indicators than the second or more gravida and the housewives. It also appeared that women who had bigger family size and lower BMI in pre-pregnancy had poorer iron status. Among the food consumption habits, fruit dependent dietary habit was related to poor iron status. Sufficiently consumed green leafy vegetable and appropriate amount of food before morning sickness were positive factors of iron stares. Our results indicated that parity, BMI, current job, family size, food habits including consumption of fruits, green & yellow vegetables, and food habits before the onset of morning sickness are significant factors to contribute the Fe deficiency anemia during pregnancy.

• Korean journal of communication and information
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• v.21
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• pp.177-201
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• 2003

This study was designed to explore behaviors of readers of online papers. First, the factor analysis of the online paper motive statements yielded three interpretable factors : informativeness, convenience, economicalness. For online paper use habits, a similar factor analysis procedure resulted in three factors : active utilization, news seeking, information seeking. Informativeness motive and active utilization habit were strongly related, convenience motive and news seeking habit related. Online papers and newspapers were found to be in complementary relationship. Internet access and newspaper reading, active utilization and news seeking habits were significant predictors of online paper use. The result of this study showed online paper readers perceived interactive services online papers offered. and want to utilize those effectively. This study suggests that online papers need to develop various interactive services to attract readers.

• Journal of the Korean Society of Food Culture
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• v.34 no.5
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• pp.577-586
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• 2019

The Ministry of Agriculture, Food and Rural Affairs has conducted the Dietary Education Projects at Childcare Centers since 2015. This study provides preliminary data for early childhood dietary education programs, by evaluating the outcomes of the projects. This survey enrolled 212 participants whose children had participated in the projects, and 142 non-participants. Comparing the perception of importance towards each educational program of the projects, dietary education program gained significantly higher importance than other subjects included, and was significantly higher in the participants than in non-participants. In the preference for food group survey for children, vegetable and seaweed preferences were higher among participants than non-participants, indicating that participation in the dietary education projects contribute towards increase in preferences for vegetables and seaweed, which children generally dislike. No significant differences were observed in children's dietary habits between participant and non-participant groups, thereby suggesting that the education projects were insufficient for inducing dietary habit changes. In order to accomplish effective improvement of dietary habits, the education projects need further improvements to achieve systematic and long-term plans.

• Culinary science and hospitality research
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• v.16 no.5
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• pp.221-232
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• 2010

This study is designed to understand the perception and satisfaction of parents on food coordination in kindergarten foodservice to improve the quality of food coordination. It was measured by 5-points Likert. Factors of food coordination, eating habits and food satisfaction were extracted from previous research papers. Validity and reliability analyses were conducted to make verified criterion for these factors. Using Amos 7.0 to graphically verify the structure of the overall model, and the results are as follows. First, food coordination factors such as food, tableware, and interior decoration have positive effects on children's eating habits. In other words, food coordination influences favorably on children's eating habits. Second, eating habit is another positive factor in food satisfaction. This means having proper eating habit contributes to food satisfaction in general. Third, while tableware and decoration indirectly influence food satisfaction by enhancing eating habits, food itself more directly affects food satisfaction.