• Journal of Korean Academy of Nursing Administration
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• v.3 no.2
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• pp.61-80
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• 1997

The purpose of this study is to measure the direct and indirect nursing care hours with establishment of nurse substations and compare the experimental nursing units with the existing nursing units For this study, two experimental nursing units: (1) a medical nursing unit and (2) a surgical nursing unit with a nurse substation were selected. And two control nursing units : (1) a medical nursing unit and (2) a surgical nursing unit without a nurse substation were selected. After a three-month experimental operation from June 1 to August 31,1996, research data were collected for three days from September 2 to 4, 1996. We investigated the effects of the direct & indirect nursing care hours with establishment of the nurse substations (improved nursing environment) without adding the staff nurses. The effect of establishment of the nurse sub-station was measured for the differences direct & indirect nursing care hours between experimental and control nursing units. An investigator measured the time for a staff nurse to practice each nursing activity and recorded it every minute. Percentage, average, standard deviation, t-test and ANOVA were used for data analysis. The results are as follows: 1. There was no significant difference between the experimental and control nursing units in staffs' working hours during their shift. 2. There were significant diffferences between the experimental and control nursing units in dierct nursing care hours (t=0.0288, p=0.0001) and indirect nursing care hours (t=0.3886, p=0.0103) per patient. 3. There was significant difference between the experimental and control nursing units in direct nursing care hours done by nurses(t=0.0012, p=0.0111) and aids(t=0.3011, p=0.0027). There was significant difference between the experimental and control nursing units in indirect nursing care hours done by head-nurses(t=0.0051, p=0.0253), nurses(t=0.0071, p=0.0024) and aids (t=0.3227, p=0.0351). There was significant difference between the experimental and control nursing units in indirect nursing care hours done by nurses(t=0.0005, p=0.0015) and aids(t=0.2400, p=0.0013) per patient. There was significant difference between the experimental and control nursing units in indirect nursing care hours done by head-nurses(t=0.0005, p=0.0379) and nurses (t=0.0035, p=0.0198) per patient. 4. Thre were significant differences between the experimental and control nursing units in direct nursing care hours (t=0.1134, p=0.0010) and indirect nursing care hours (t=0.7106, p=0.0008) per staff during the day shift. There were significant differences between the experimental and control nursing units in direct nunsing care hours during the day(t=0.0723, p=0.0003) and evening shift (t=0.0004, p=0.0285) per patient, and indirect nursing care hours during the day shift(t=0.5565, p=0.0036) per patient. 5. There were differences between the experiemental and control nursing units in dircet nursing activities including measurement and observation, medication, communication, teratment, hygiene, and nutrition, and in indirect nursing activities including confirmantion, communication, record, computer work, management of goods. But it was not statistically proven. 6. There was difference between the experimental and control nursing units in unmet-need nursing care hours per patient, but not statistically proven.

• Journal of Korean Elementary Science Education
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• v.19 no.2
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• pp.75-82
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• 2000

The purpose of this study was to investigate the effectiveness of teaching strategies for scientific conceptions in the units of oxygen and combustion in elementary school science textbook. 70 elementary school 6th grade students in Seoul participated. They were divided into experimental group and controlled group. Five scientific concepts were adopted from the units of oxygen and combustion in the 6th grade science textbook. Subjects' preconceptions were investigated by pre-questionnaires. A series of 6 instructional sessions based on the teaching strategy of cognitive confliction theory were given to the experimental group. By the end of the instructional session, a post-test was administered to both experimental and controlled groups. There was a statistically significant difference between post-test gains of the experimental and controlled groups. These results support the notion that the teaching strategy was effective for changing from preconceptions to scientific concerts.

• Proceedings of the Safety Management and Science Conference
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• 2009.11a
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• pp.649-657
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• 2009

The paper presents the measurement split split-plot models for saving the time and cost. The split split-plot designs developed are efficiently used to estimating the gauge R&R(Reproducibility & Repeatability) when the completely randomized design of all factors(such as high pressure and temperature) is expensive and time consuming. The models studied include three split split-plots considering the type of experimental units.

• KIEAE Journal
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• v.7 no.6
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• pp.17-22
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• 2007

The integration of PV modules into building facades or roof could raise their temperature that results in the reduction of PV system's electrical power generation. Hot air can be extracted from the space between PV modules and building envelope, and used for heating in buildings. The extraction of hot air from the space will enhance the performance of BIPV systems. The solar collector utilizing these two aspects is called PV/T(photovoltaic/thermal) solar collector. This paper compares the experimental performance of two different types of air type PV/T collector units: the base case of a collector unit with 10cm gap for forced ventilation and the other unit with copper pin attached to PV module to enhance its thermal performance. The experimental results shows that the base case unit had the overall efficiency of 41.9% and the improved unit with copper pin attached to PV module had 50.1% efficiency. For these air type PV/T units, the forced ventilation of the air space improved the electrical performance as well as the thermal performance.

• Journal of Advanced Marine Engineering and Technology
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• v.39 no.2
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• pp.172-178
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• 2015

Constructing a bilingual multi-word lexicon is confronted with many difficulties such as an absence of a commonly accepted gold-standard dataset. Besides, in fact, there is no everybody's definition of what a multi-word unit is. In considering these problems, this paper evaluates and analyzes the context vector approach which is one of a novel alignment method of constructing bilingual lexicons from parallel corpora, by comparing with one of general methods. The approach builds context vectors for both source and target single-word units from two parallel corpora. To adapt the approach to multi-word units, we identify all multi-word candidates (namely noun phrases in this work) first, and then concatenate them into single-word units. As a result, therefore, we can use the context vector approach to satisfy our need for multi-word units. In our experimental results, the context vector approach has shown stronger performance over the other approach. The contribution of the paper is analyzing the various types of errors for the experimental results. For the future works, we will study the similarity measure that not only covers a multi-word unit itself but also covers its constituents.

• Journal of Korean Academy of Fundamentals of Nursing
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• v.18 no.1
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• pp.28-36
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• 2011

Purpose: The purpose of this study were to develop a new restraint for the intensive care units (ICU) and to investigate the application effect in comparison with a control group using existing restraints. Method: A non-equivalent control group non-synchronized quasi-experimental research design was used. The participants were 40 (control 20, experimental 20) patients who were recruited by convenience sampling the ICU of a university hospital. To avoid contamination of the experiment, data for the control group were collected prior to the experimental group. Measurement variables were edema and skin damage (redness and abrasion) at the application site, and nurses' perceived convenience in applying restraints. Results: Three days after applying the restraint, amount of edema at the application site was small and incidence of skin damage decreased in the experimental group in comparison with the control group. Also, score for application convenience measured by the nurses was higher in for the newly developed restraint than for existing restraints. Conclusion: Results indicate that the newly developed restraint has lower effects such as edema and skin damage and is more convenient compared with existing restraints, and is therefore recommended for patients in the ICU.

• Journal of Korean Clinical Nursing Research
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• v.25 no.2
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• pp.161-169
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• 2019

Purpose: This study was conducted to examine the effect of a Happiness Self-Coaching program for new graduate nurses working in cancer care units. Methods: A quasi-experimental pretest-posttest, nonequivalent control-group design was applied to conduct the study. Study participants were new graduate nurses employed within 12 months and working as shift employees at G university hospital, located in J city. A total of 21 new graduate nurses participated in the study, 10 in the experimental group, and 11 in the control group. The happiness self-coaching program was conducted weekly for 70 minutes from February 1 to June 6, 2016 for 6 weeks. The experimental group received the Happiness Self-Coaching program through lectures, presentation, group activities, and strength card play. Data were analyzed by using repeated measure ANOVA and paired t-test. Results: The experimental group demonstrated significantly higher happiness (F=6.82, p=.003) and self-efficacy (F=3.38 p=.045) levels compared to the control group. Conclusion: The Happiness Self-Coaching program was effective in enhancing new graduate nurses' happiness and self efficacy. It is recommended that nursing organizations to apply the Happiness Self -Coaching program to facilitate adaption of new graduate nurses in cancer care units.

• Journal of Family Resource Management and Policy Review
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• v.14 no.3
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• pp.143-163
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• 2010

The purpose of this study is to analyze the trend of research system and contents of thesis which was published with a theme of child tea ceremony education. Under this purpose we have searched the thesis related to the child tea ceremony education which was in the data base of the National Assembly Library, the National Library of Korea, Korea Education & Research Information Service and we have collected total of 22 analyzing subject data. The major results of this study are as followings: First, after analyzing the research system, the release year of child tea ceremony education study which was published from year 2000 to 2009 are shown as followings, 1 unit in year 2000, 2 units in year 2001, 2002 & 2003, 4 units in year 2004, 5 units in year 2005, 2 units in year 2006, 1 unit in year 2007, 2 units in year 2008, 1 unit in year 2009. The publishing type were 14 units of master's degree thesis, 6 units of academic journal, 2 units of doctor's degree thesis. The academic area of researchers are 8 units of propriety and tea culture, 5 units of early childhood education, 5 units of child welfare, 2 units of family culture and consumer, 1 each unit of counseling psychology and korean culture. As per the research method there were 15 units of experimental study, 6 units of reference research, and 1 unit of thesis which adopts both interview and case study. Second, as a result of analyzing the research contents, the goal of child tea ceremony education was shown to be a holistic child growth and development, a formation of basic living habit, a development of pride on traditional culture and an establishment of national identity. The contents of child tea ceremony education has been classified into 57 items. The activity of child tea ceremony education has been classified into 34 items. The vitalizations of child tea ceremony education is shown to be a education for parents and teachers, a development of systematic educational program, durability of child tea ceremony education, and a verification of effectiveness of child tea ceremony education.

• Computers and Concrete
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• v.23 no.2
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• pp.97-106
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• 2019

This paper describes the design of a new interlocking masonry system, the production of designed interlocking units and mechanical properties of interlocked masonry assemblages with mortar. In this proposed system, units have horizontal and vertical locks to integrate the units to the wall and have a channel to enable the use of horizontal reinforcements in the wall. Using these units, unfilled, filled or reinforced walls can be constructed with or without mortar. In the production of the interlocking units, it was decided to use foamed concrete. 12 trial productions have been carried out at different mix proportions to obtain the optimum concrete mix. At the end of the mentioned productions, the units were produced with foam concrete which is selected as the most suitable in terms of compressive strength and specific gravity. Then, axial compression, diagonal tension and bed joint shear tests were carried out to determine the mechanical properties of the interlocked masonry assemblages with mortar. Results from the tests showed that interlocks designed to strengthen the system against shear stresses by creating discontinuity throughout the joints have been successful to achieve their aim. Obtained data will enable structural analysis of walls to be constructed with these new units.

• Journal of Fisheries and Marine Sciences Education
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• v.21 no.1
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• pp.43-51
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• 2009

The purpose of this study was to develop bibliotherapy program based upon literature units of Korean language textbook and to test it's effect on self-esteem of middle school students. Sixty-nine female middle school students participated in this study. Thirty-four students were assigned to experimental group and thirty-five ones were assigned to control group. Subjects completed Self-Esteem Inventory. Data analyses were conducted using t-test and ANCOVA. The results of the analyses revealed that subjects of experimental group showed significantly higher scores on self-esteem than ones of control group. Based upon the above results, it is concluded that bibliotherapy program based upon literature units of Korean language textbook was effective in improving self-esteem of female middle school students.