• Journal of Korean Academy of Fundamentals of Nursing
• /
• v.15 no.3
• /
• pp.312-320
• /
• 2008

Purpose: The purpose of this study was to verify the validity and reliability of the Type D Scale-14 (DS14). Methods: The participants were 288 patients who were diagnosed with angina pectoris, myocardial infarction, and hypertension. DS14 was developed by Denollet(2005) and consists of two domains, 7 items on negative affectivity (NA) and 7 items on social inhibition (SI). The Korean version of DS14 was developed through translation-reversed translation and a preliminary test. Data were collected using a self-report questionnaire. Cronbach $\alpha$ and Guttman split-half were used to test reliability and item analysis and factor analysis for validity. The SPSS program was used. Results: 35.8% of the participants were classified as Type D. Mean score for NA was 16.80 and for SI, 14.10 in Type D participants. For reliability of NA, Cronbach $\alpha$=0.771, and for SI, 0.707. Factor analysis on 12 items(numbers 1 & 3 were excluded as the corrected item-total correlations were below r=0.3) yielded two factors for NA (6 items) and SI (6 items). Number 7 in the NA domain was sorted into the SI domain. Conclusion: The results indicate, the cultural differences were between Europeans and Koreans. Repetition of the research is needed for generalization of DS14.

• IE interfaces
• /
• v.22 no.1
• /
• pp.17-25
• /
• 2009

In mobile device's user interface, menu organization is very important as well as menu structure because small display of mobile device. Menu items should be organized based on user knowledge structure to design user-centered interface. Traditionally, MDS (Multidimensional Scaling) have been most often used to expose users' perceived organization of menu items. But, information that MDS reveals is just relative spatial location of concepts and not relevant to concepts connection. Unlike MDS, Trajectory Mapping explicitly finds users' cognitive links between perceived concepts. This study proposes a Trajectory Mapping technique for eliciting knowledge structure, especially a set of cognitive pathways linking menu items, from end user. With twelve participants, MDS and Trajectory Mapping were conducted using cellular phone's menu items. And user knowledge structure was analyzed through Visual Concept Map that combination of results of MDS and Trajectory Mapping. After then, menu items were organized according to users' perceived organization. Empirical usability test was also conducted. The results of usability test showed that usability, in terms of task performance time, number of errors, and satisfaction, for newly organized interface was significantly improved compare to original interface. The methodology of this study is expected to be applicable to design a user-centered interface. In other words, Trajectory Mapping technique can be used as a design tool of user interface for imposing user knowledge structure on the interface.

• The Research Journal of the Costume Culture
• /
• v.13 no.2 s.55
• /
• pp.255-268
• /
• 2005

The purpose of this study was to identify the physical characteristics of early adolescent girls by age. A total of 529 girls aged between 10 and 14 were measured and data were collected from 42 anthropometric and 41 photographic measurements per a person. SAS 8.1 was used in data analysis including means, standard deviations, t-test, Duncan test and frequency analysis. The results of this study are as follows. Most items related to height and length increased significantly at the age of $10\sim11$ and the growth slowed down at the age of $13\sim14$. As for items related to circumference, the growth rate was high at the age of $11\sim12$, and gradually slowed down afterward. Out of circumference items, hip circumference showed the highest growth rate. As for items related to thickness and width, thickness-related items grew quickly at the age of $10\sim12$, and among which bust thickness showed the highest growth rate. As for drop, the difference between hip circumference and waist circumference was most remarkable, but the difference between hip circumference and bust circumference was not large. The largest number of subjects had their menarche during the age of $11\sim12$ and, after menarche, their horizontal growth became active.

• Child Health Nursing Research
• /
• v.10 no.3
• /
• pp.332-339
• /
• 2004

Purpose: To develop a tool to evaluate middle school sex education programs. Method: An evaluation tool was developed in 4 stages: first, preliminary items were developed based on the sex education guidebook for teachers published by the Korean Ministry of Education and Human Resources Development; second, a panel of specialists reduced the number of preliminary items by 3 validity tests on the contents; third, final items were selected from the results of pre-test. Finally, reliability and validity were tested by a sample of 601 middle school students of both genders attending all three grades. Result: The developed evaluation tool contained 31 items on the sexual knowledge and 22 items on the sexual attitude. The results of reliability tests were as follows: Cronbachs alpha for sexual knowledge was .84; and for sexual attitude was .88. Conclusion: This study suggested the developed evaluation tool for sex education programs for middle school students had a high degree of reliability and validity. Therefore, it can be utilized to effectively evaluate Korean middle school sex education programs.

• Korean Journal of Community Nutrition
• /
• v.2 no.3
• /
• pp.349-365
• /
• 1997

Using data obtained from 1, 473 adults aged 18-68 yrs, residing in large cities and by use of a semi-quantitative food frequency questionnaire, we assessed the relative importance of various foods as indicators of both the amount and the variability of selected nutrient intake to develop a simple food frequency questionnaire. Since Cronba- ch's alpha value of the questionnaire including 78 food items was 0.76, the reliability of this questionnaire was acceptable. A large fraction of the variability of nutrient intake in this population could be explained by the small number of food items. The estimation of dietary nutrient intake such as total calories or protein content, which are derived from almost all foods, will require more food items with nutrients such as calcium or vitamin A, which are concentrated in a few food items. A dietary history ascertaining the intake of as few as 5-19 food items mighted be all needed in order to determent the associa- tion between disease outcome and the intake of a single nutrient. There was certainly a high level of agreement with nutrient intake by the sbujects who were cross-classified by quartiles of nutrient indices based on all the food items(78) and by quartiles of nutrient indices based on food items selected by stepwise multiple regression for selected nutrients. The data provided further evidence that useful information on dietary intake over an extended period can be obtained by a simple and relatively inexpensive food frequency questionnaire.

• Journal of Sasang Constitutional Medicine
• /
• v.33 no.1
• /
• pp.57-89
• /
• 2021

Objectives This study is aimed to develop a standard instrument of diagnosis and assessment for the original symptom of Taeeumin. Methods 1. Based on the clinical practice guidelines, the works of Dong-mu, and the expert clinical judgment of the research team, the items to be used in the instrument of diagnosis and assessment for the original symptom of Taeeumin were extracted, and translation was proceeded in plain Korean for easy application and feasible use in daily clinical practice. As a result, candidate items for the diagnosis and assessment tool were derived. 2. An online questionnaire survey was conducted on the candidate items derived through the above process to the expert advisory group for (1) inclusion/exclusion as diagnosis and assessment index (2) evaluation of importance and (3) the validity of translation. Results & Conclusions Through survey of expert advisory group, the number of candidate items were reduced and the preliminary weights were assigned. And based on this, was developed. There were a total of 9 items for Exterior Cold[Wiwanhan] original symptom diagnosis and assessment tool, 21 items for Interior Heat[Ganyeol] original symptom, 15 items for Exterior Disease Unfavorable Patterns[Wiwanhan-paejo] original symptom, and 17 items for Interior Disease Unfavorable Patterns[Ganyeol-paejo] original symptom, and the weights were reflected in each response score so that the final total score could be calculated.

• The Research Journal of the Costume Culture
• /
• v.26 no.3
• /
• pp.390-408
• /
• 2018

The number of hand knitters has increased dramatically in the past few years. Recently, various hand knitted items have been seen in many fashion collections. The main purpose of this study is to analyze the design features of hand knitted items in the collections from Daniela Gregis. This brand was selected because it featured knitted items in its collections every season. An empirical analysis about form, material, color and knitting technique was done for hand knitted items from Daniela Gregis' collections from 2012 S/S to 2018 S/S. The results can be summarized as follows: In terms of form, garments such as pullovers, cardigans, and shawls used basic components, and accessories such as bags, mufflers, hats, and decorative pieces had various shapes. In the material, there were many items that expressed unique textures by combining various materials such as a mix of fabric and yarn. With regards to color, orange, yellow, and red were mainly used as accent colors, and combinations of two or more colors were prominent in the items. In terms of knitting technique, the methods used in the collections were mostly simple and basic. Among various techniques, plain knitting, garter knitting, and single crochet methods were mainly used. While this study is limited to the characteristics of hand knitted items from a single brand, therefore cannot be generalized for all knit fashion, the study provides basic data that could facilitate the revitalization of the hand knitting industry and expand the application range of hand knitting techniques.

• International journal of advanced smart convergence
• /
• v.7 no.4
• /
• pp.10-18
• /
• 2018

For the information services supporting requests of data items from a great number of mobile clients, wireless data broadcasting is an effective way because it can accommodate any number of clients. In the wireless data broadcasting, various air indexing schemes and data scheduling schemes have been developed in order to enable the clients to access their desired data items efficiently. The broadcasting system needs a method to simulate newly designed air indexing and scheduling schemes of the system, and to evaluate the performance parameters of the schemes. In this paper, we design an expandable and efficient simulation framework for the wireless data broadcasting based on the partition of data ID space. The framework can adopt regular and irregular space partition and evaluate various performance parameters of the broadcasting system. We implement a testbed of the broadcasting system using the framework, that adopts IIP, GDI and EXP as its air indexing schemes. We simulate the system using the testbed and evaluate the performance parameters of the system. Thus, we show the efficiency and expandability of the designed and implemented framework.

• Journal of the Korean Operations Research and Management Science Society
• /
• v.34 no.1
• /
• pp.29-37
• /
• 2009

This paper proposes a curtailed-sequential probability ratio test (SPRT) control chart. For using the conventional SPRT control chart, the number of items inspected in a sampling point should have no restriction since items in a sampling point are inspected one by one until an SPRT Is terminated. The number of observations taken in a sampling point, however, has an upper bound since sampling and testing of an item is time-consuming or expensive. When the sample size reaches the upper bound without evidence of an in-control or out-of-control state of a process, the proposed chart makes a decision using the sample mean of all observations taken in a sampling point. The properties of the Proposed chart are obtained by a Markov chain approach and the performance of the chart is compared with fixed sample size (FSS) and variable sample size (VSS) control charts. A comparative study shows that the proposed chart performs better than VSS control charts as well as conventional FSS control charts.

• Journal of the Ergonomics Society of Korea
• /
• v.5 no.1
• /
• pp.43-48
• /
• 1986

This study aims to investigate the effect of biorhythm to work performance. In order to do this, the data are collected from the manufacturing factory which produce a sportware, and the statistical test are made to testify the relationship between the number of defective items and the biorhythm chart of the workers. The number of defective items which made in the peak day, usual day, and critical day on the worker's biorythm chart are compared with each other, and the statistical test are made to see if there are difference between them, and the correlation analysis are made to see if there is any correlation between the work performance and the biorhythm chart. The result of the statistical test shows that the biorythm of the worker gives an effect to his work performance with a correlation.