• Title/Summary/Keyword: reliability equivalence

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The Effects of a Low Intensity Excercise Program on Psychosocial Factors of Excercise and Physical Factors in Elderly Women (저강도 운동프로그램이 여성노인의 운동에 대한 사회.심리적 및 신체적 요인에 미치는 효과)

  • Nam, Mi-Ra;Kim, Young-Hee;Ahn, Ok-Hee;Yang, Bok-Sun
    • Research in Community and Public Health Nursing
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    • v.18 no.3
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    • pp.373-381
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    • 2007
  • Purpose: An exercise program, which was composed of motions simple and easy to follow, was developed and applied to aged women as a way to improve their health conditions. Method: To ascertain the effects of the exercise, which was conducted twice a week and 16 times in total for 8 weeks from September 10 to November 5, 2005 in two experimental groups (31 Persons) and a control group (31 persons), this study conducted quasi-experiments of nonequivalent control group pre-post test design. Data were analyzed using SPSS/PC Win 10.0, the reliability of the measuring tools using Cronbach's alpha, the verification of equivalence for general properties and dependent variables using Chi-square test and t-test, and the verification of hypotheses using t-test and ANCOVA. Results: After the exercise program. the aged women showed profitable evaluation of decisional balance, high feeling of self-efficacy as well as improved subjective awareness of health. Their diastolic blood pressure and total cholesterol were also reduced significantly after the exercise. Conclusion: After the conduct of the exercise program for 8 weeks, aged women showed increased profitable decisional balance, self-efficacy and subjective awareness of health. This suggests that continuous and proper exercise is effective as an intervention for health improvement for the aged as well as the prevention of and recovery from geriatric diseases.

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Validation of Korean Love addiction Questionnaire-Short Form (K-LAQ-SF) (한국 단축형 사랑중독 척도(Korean-Love Addiction Questionnaire-Short Form: K-LAQ-SF) 타당화 연구)

  • Song, Yeon-Joo;Ha, Moon-Sun
    • Korean Journal of Culture and Social Issue
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    • v.26 no.4
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    • pp.501-524
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    • 2020
  • This study was conducted to validate the Korean Love addiction Questionnaire-Short Form (K-LAQ-SF) applicable to Korean society. As a result of exploratory factor analysis for Love addiction 40 Questions(Peabody, 2005), the final 5 factors and 15 questions appeared, and the model fit of the final scale was confirmed through confirmatory factor analysis. The results of the equivalence test showed that the theoretical structure of the abbreviated scale works in the same way for each gender. The results of correlation analysis between K-LAQ-SF and original scale showed that the abbreviated scale represented the original scale relatively faithfully. Finally, the results of correlation analysis between this scale and relationship addiction, love type and depression showed that convergence, discrimination and criterion validity were secured. K-LAQ-SF is significant in that it can be usefully used to easily measure the characteristics of Korean adults' love addiction in a short time based on stable reliability and validity.

A Study on the Expansion of Workflow for the Collection of Surface Web-based OSINT(Open Source Intelligence) (표면 웹기반 공개정보 수집을 위한 워크플로우 확장 연구)

  • Lee, SuGyeong;Choi, Eunjung;Kim, Jiyeon;Lee, Insoo;Lee, Seunghoon;Kim, Myuhngjoo
    • Journal of Digital Convergence
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    • v.20 no.4
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    • pp.367-376
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    • 2022
  • In traditional criminal cases, there is a limit to information collection because information on the subject of investigation is provided only with personal information held by the national organization of legal. Surface web-based OSINT(Open Source Intelligence), including SNS and portal sites that can be searched by general search engines, can be used for meaningful profiling for criminal investigations. The Korean-style OSINT workflow can effectively profile based on OSINT, but in the case of individuals, OSINT that can be collected is limited because it begins with "name", and the reliability is limited, such as collecting information of the persons with the same name. In order to overcome these limitations, this paper defines information related to individuals, i.e., equivalent information, and enables efficient and accurate information collection based on this. Therefore, we present an improved workflow that can extract information related to a specific person, ie., equivalent information, from OSINT. For this purpose, different workflows are presented according to the person's profile. Through this, effective profiling of a person (individuals) is possible, thereby increasing reliability in collecting investigation information. According to this study, in the future, by developing a system that can automate the analysis process of information collected using artificial intelligence technology, it can lay the foundation for the use of OSINT in criminal investigations and contribute to diversification of investigation methods.

A Study on the Direct Discharge Test for Verifying Design Concentration and Soaking Time for CO2 Fire Extinguishing System of Total Flooding (전역방출방식 CO2 소화설비의 설계농도 및 유지시간 검증을 위한 직접방사실험에 관한 연구)

  • Lee, Se-Myeoung;Moon, Sung-Woong;Ryu, Sang-Hoon
    • Fire Science and Engineering
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    • v.26 no.6
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    • pp.15-23
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    • 2012
  • Indirect Test Method is often used instead of direct test method in test method for extinguishing performance of $CO_2$ extinguishing facility because of high cost, environment problems and difficulties of procedure. But in the danger facilities for a unit of nation, such as a petrochemical plant, a nuclear power plant, or etc. is better to verify the performance of the extinguishment through direct discharge test. In $CO_2$ extinguishing system for total flooding system installed in dangerous facilities in Korea, each protected area in surface fire and deep-seated fire had selected and verified of extinguishing performance of $CO_2$ extinguishing facilities. To get recognized as extinguishing performance, discharged $CO_2$ concentration to protected area should be equivalence with design concentration standards (NFSC and NFPA). The Design Concentration means that $CO_2$ extinguishing agent is considerate of concentration for percentage of allowance (20 %) from extinguishing concentration which available to control of flame. As test result, surface fire and deep seated fire in protected area is obtained $CO_2$ design concentration and maintained design concentration more than 20 minutes as deep-seated fire. Through this study, we introduced direct discharging test method and decision method. And furthermore, especially in the dangerous facilities as a unit of Nation, we suggested necessity about reliability of extinguishing facilities to use direct test method.