This study analyzed the reasons for continuing education among dietitians. An internet-based survey of 622 dieticians was conducted from August 31, 2012 to September 12, 2012. Based on data from the Participation Reasons Scale (PRS) questionnaire, factor analysis was conducted by principle component analysis for the extraction of major factors. Subsequent reliability analysis was performed by assessing Cronbach's ${\alpha}$. The ANOVA-test was performed to compare the participation reason scores for each factors according to general characteristics. Statistical analysis was performed using SPSS ver.17.0, and P<0.05 was considered significant. Factor analysis for the participation reasons revealed four types of factors. These factors were "maintenance and development of professional competencies", "interaction and responsibility of professionals", "job stability and personal profits" and "services for customers" respectively. Among the participation reasons, "maintenance and development of professional competencies" was the first reason with a 29.34% variance. In addition, the participation reasons for continuing education differed according to age (P<0.05), the highest level of education (P<0.05), workplace (P<0.01), and work experience in dietetic area (P<0.001). In conclusion, continuing education programs for dietitians should focus on effectively developing and promoting professionalism.
Journal of the Korea Academia-Industrial cooperation Society
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v.22
no.2
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pp.440-451
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2021
The purpose of this study is to develop and validate the parental roles and responsibilities for young children. A survey was conducted on 301 parents with children attending preschools. The parental roles and responsibilities scale were determined from a total of 60 items and 11 sub-factors based on the criteria for goodness, validity, and reliability of items (i.e., factor load ≥ 0.5; AVE ≥ 0.5; CR ≥ 0.7; Cronbach's alpha ≥ 0.7). The parental roles and responsibilities scale include 'hygiene management' (4 items), 'physical activities' (6 items), 'survival and health care' (6 items), 'cognitive development' (5 items), 'emotional stability' (5 items), 'social skills' (6 items), 'social norms and values' (7 items), 'physical environment' (5 items), 'protection' (5 items), 'family community consciousness and family tradition' (4 items), and 'the role and responsibility of parents for childcare institutions' (7 items). It is significant that the indicators on the parental roles and responsibilities for young children were developed and verified to fit the situation in Korea. Findings will help identify the characteristics of parental role responsibilities and serve as a basis for efficient communication between parents and preschoolers.parental role responsibilities and serve as a basis for efficient communication between parents and preschools.
Hyo-Sung Song;Young-Hak Lee;Seung-Jae Lee;Jae-Jung Kim
The Journal of Engineering Geology
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v.33
no.4
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pp.555-571
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2023
Due to South Korea's concentrated summer rainfall, constituting 70% of the annual total, landslides frequently occur during the rainy season, necessitating accurate prediction methods to mitigate associated damage. In this study, a reduced-scale and full-scale slope was configured using weathered granite soil to find the possibility of establishing measurement management criterias through landslide reproduction. The experiment focused on matric suction, analyzing changes in ground properties and failure patterns caused by rainfall infiltration. Subsequently, an unsaturated infinite slope stability analysis was conducted. By calculating the failure time when the safety factor falls below 1 for each experiment, landslide prediction was demonstrated to be possible, approximately 17 minutes prior for the reduction-scale experiment and 6.5 hours for the full-scale experiment. These findings provide useful data for establishing Korean soil slope measurement management criteria that consider the characteristics of weathered granite soil.
This study investigates whether the designated firm is affected by the financial characteristics prior to the korea stock exchange designating subject to administrative issues. that is, analyzes financial differences of the designated finn(AIF) from another firm(NAIF) in the same asset-scale and industry for 5 years prior to designating date. For this purpose, financial variables related with scale, profitability, growth nature, liquidity, stability, and active nature are chosen. 113 AIFs and 113 NIAFs are selected from listed stock on the korea stock exchange between 1991 and 1999. As a result, it is found that there are significant difference in all profitability, stability, active nature related financial variables for 5 years prior to each designation date. The difference is more significant as the designating date approaches. But, no significant difference is not found in all growth nature related financial variables for 5 years prior to each designation date. Liquidity related financial variables show significant difference in only the 1st year before designation date. To be short, the financial factors of profitability, liquidity, stability, and active nature have an effect on the designated firms.
Journal of The Korean Society of Agricultural Engineers
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v.57
no.1
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pp.99-109
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2015
In the construction industry, the interest for recycling aggregates is rising as more people demand for alternatives due to lack of supply of natural aggregates and environmental problems. However, in order for recycled aggregates to be used in infrastructures, stability and other factors need to be verified. Therefore, the objective of this study is to analyze the sensitivity of soil properties to secure slope safety according to various heights of embankment when bottom ash and dredged soil mixture is applied in the embankment. In most cases, all heights were safe for the slide for the embankment whether the water level is full or sudden draw down. The result of the sensitivity analysis revealed that the unit weight of embankments is highest among all factors to be considered. However, the sensitivity of the unit weight became smaller and the sensitivity of the friction angle of embankments increased with the height of embankments. The sensitivity of factors of core materials is very small because the core has weaker physical properties than those of the embankment. The effect of the height for each factor is different for each slope and water levels. The sensitivity of the unit weight of embankments is most affected when the height is 60m in the upstream slope. To conclude, bottom ash and dredged soil mixture can be applied in the embankment and different factors must be considered in different scale because the sensitivity depends highly on the height of embankments.
Purpose: This study was carried out to investigate the difference in job satisfaction and marital satisfaction by gender and to explore the influences of demographic status. employment characteristics. and job satisfaction/marital satisfaction on each type of satisfaction. Method: Social statistics survey data collected by National Statistical Office in 1998 were used for the secondary analysis in the study. Job satisfaction was measured by questionnaires, which consisted of 12 items such as task, promotion, placement, wage, benefits, future in the work, working environment, human relationship. and working hours. And marital satisfaction was collected by questionnaires which consisted of 7 items, including satisfaction with general family life, relationship with their own parent and parent-in-law, relationship with brothers and sisters, relationship with their children, and economic living status. These are measured by 5-point Likert scale. Result: The results show that more than 60% of women were working as part-time employees. Their education levels were lower than men. Men were satisfied significantly more in their jobs than women. Men also had higher marital satisfaction. The employment status had the most important factor on the job satisfaction. and the marital satisfaction was the second important factor among women and men. As for the age, while older men showed higher job satisfaction, younger women showed higher job satisfaction, 28.04% of the variance in the job satisfaction for men and 33.86% for women were accounted for by the following variables: the younger age. the higher education. job satisfaction, and the higher marital satisfaction, 22.15% of the variance in the marital satisfaction for men and 21.19% for women were accounted for by these variables. Conclusion: The results of this study showed that there were differences in job satisfaction and marital satisfaction between genders, and that job satisfaction and marital satisfaction influenced each other. Employment status was the most predictive factor on the job satisfaction. Married women had an unstable employment status such as part-time position. The stability of employment could be considered as a strategy for enhancing job satisfaction for both sexes. The reason that women had lower marital satisfaction than men will have to be further investigated.
Kim, Bong-Kyun;Seo, Dae-Seuk;Park, Jun-Seok;Kim, Yun-Yung
Journal of the Korea institute for structural maintenance and inspection
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v.20
no.2
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pp.122-130
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2016
The past few decades of industrialization enabled human-centered stream developments, which in turn resulted in constructing straight or covered streams, which are used only for sewage disposal purpose. However, these types of streams have become the cause of flood damages such as localized heavy rain. In response, various construction methods have been implemented to prevent stream and embankment damages. However, regulations regarding these measures only lay out minimum standards such as the height of slopes and the minimum angle of inclination. Moreover, examination of tractive force, the most crucial factor in preventing flood damage, is nonexistent. Therefore, this study evaluates various tractive forces by implementing a porous concrete tetrapod at a full scale artificial stream for experiment, controlling the rate of inflow, and measuring the velocity and depth of the stream under different experiment conditions. The test results of the compressive strength, and porosity and density of rock of the porous concrete tetrapod was between 16.6 and 23.2 MPa, and the actual measurement of air void was 10.1%, thus satisfying domestic standard. The result of tractive force experiment showed a limiting tractive force of $47.202N/m^2$, not satisfying the tractive force scope of $67N/m^2$ the stream design working expertise proposes. However, there was neither damage nor loss of blocks and hardpan. Based on previous researches, it can be expected that there will be resistance against a stronger tractive force. Therefore, it is necessary to conduct another experiment on practical limiting tractive force by adjusting some experimental conditions.
Kim, Dong-Hee;Jung, Hyuk-Il;Kim, Seok-Ki;Lee, Woo-Jin;Ryu, Dong-Woo
Journal of the Korean Geotechnical Society
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v.23
no.10
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pp.97-107
/
2007
Accurate evaluation of the slope stability by assuming failure block as the entire slope is considered to be apposite for the small scale slope, whereas it is not the case for the large scale slope. Hence, appropriate estimation of a failure block size is required since the safety factor and the joint strength parameters are the function of the failure block size. In this paper, the size of failure block was investigated by generating 3-dimensional rock joint system based on statistical data of joints obtained from research slope, such as joint orientation, spacing and 3-dimensional joint intensity. The result indicates that 33 potential failure blocks exist in research slope, as large as 1.4 meters at least and 38.7 meters at most, and average block height is 15.2 meters. In addition, the data obtained from 3 dimensional joint system were directly applicable to the probability analysis and 2 and 3 dimensional discontinuity analysis.
Kim, Man-Il;Bae, Du-Won;Kim, Jong-Tae;Chae, Byung-Gon;Jeong, Gyo-Cheol
The Journal of Engineering Geology
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v.17
no.2
s.52
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pp.289-297
/
2007
Slope failure that is occurred by rainfall generates a lot of property damages and loss of lives. Slope stability management and reinforcement countermeasure can be attained through continuous monitoring about various slope types that adjoin in human's life for reducing slope failure from natural and artificial cut slope hazards. The study area is rock slope that is consisted of gneiss, and large scale joint set is ranging by fault activity. This rock mass is exposed during long period and has lithological weathering property of weathered rock or soft rock. In-situ investigation carried out after divide by natural slope and cut slope. As a result, the natural slope appeared to high possibility of planar failure and wedge failure in few joint points that main joint set is formed. On the other hand, slope failure conformation in cut slope was superior only wedge failure occurrence possibility in eight joint points. In result of numerical analysis using SLIDE 2D, the minimum safety factor was analyzed slope stability for cut slope relatively low than natural slope in this study.
This study was intended to develop a self-report wisdom scale for the elementary gifted students. For this, related literature was reviewed in depth and open ended questionnaire about the wisdom qualities was conducted. Based on these, a self-report wisdom scale, which was comprised of 42 items in 4 factors such as the situation judgment and problem-solving ability, the communication ability and skills, the emotional stability, the insight and adaptation, was developed. For this preliminary scale, 215 elementary gifted students were surveyed. And for the confirmatory factor analysis, 256 elementary gifted students participated. The results of the study were as follows. The fit of measurement model was found to be ${\chi}^2$=1596.46 (df=813, p=.00), TLI .90, CFI .91, RMSEA .046, indicating most of fit indexes were acceptable. The reliability for each of 42-item by the sub-factors also appeared to be good, showing that internal consistency reliability by the configuration factors was 0.86, .87, .89, .87 each relatively. In addition, to verify the validity of the wisdom scale, the convergent and discriminate validities were obtained through the correlation analysis among the psychological characteristics which were considered to be related to the wisdom. Finally, practical implications of the study were discussed in depth.
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