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Reliability and Validity of the Korean Version of Job Embeddedness for Measurement Tool of Dental Hygienist

치과위생사의 한국어판 직무착근도 측정도구의 타당도와 신뢰도

  • Han, Ye-Seul (Department of Dental Hygiene, Graduate School, Namseoul University) ;
  • Moon, Hak-Jin (Department of Dental Hygiene, Graduate School, Namseoul University) ;
  • Cho, Young-Sik (Department of Dental Hygiene, Graduate School, Namseoul University)
  • 한예슬 (남서울대학교 일반대학원 치위생학과) ;
  • 문학진 (남서울대학교 일반대학원 치위생학과) ;
  • 조영식 (남서울대학교 일반대학원 치위생학과)
  • Received : 2015.11.12
  • Accepted : 2015.12.08
  • Published : 2016.02.29

Abstract

The purpose of this study was to investigate a reliability and validity of the Korean version for measuring tool the job embeddedness of dental hygienists. The survey was modified and revised to fit into Korean culture. A survey was conducted with 274 dental hygienists in dental clinics. The data was used for the analysis of the study, using PASW Statistics 18.0 and IBM SPSS AMOS 7.0. The factor analysis showed that the job embeddedness of the dental hygienists was composed of three elements, namely 'organization fit', 'job connectivity', and 'personnel relationships'. The validity of the model examined by a confirmatory factor analysis satisfied most of the relevant requirements. All of the factors had the conceptual reliability and variant extracted index above the minimum requirements, ensuring reliability and concentrated validity. The Cronbach's alpha shows a good reliability. In conclusion, it was proven that dental hygienist's job embeddedness measurement tool has high validity and reliability. Further, this study could be used to improve dental hygienist's long term working, and the growth stage of dental clinic.

이번 연구는 직무착근도의 척도를 국내 실정에 적절하게 적용할 수 있도록 수정 보완하여, 치과위생사의 직무착근도를 평가할 수 있는 도구를 개발하고 타당도와 신뢰도를 평가하고자 시행하였다. 직무착근도 원 도구 25문항을 번역한 후 내용분석 및 내용 타당도 검증을 통하여 8문항을 삭제하고 5문항을 수정하여 총 17문항을 분석하였다. 연구 결과 탐색적 요인분석에 의해 요인 적재량이 0.4 이하인 4개의 문항은 삭제되었으며, 도구의 적합성, 연계, 희생 요인들로부터 추출된 문항들이 새롭게 혼합되어 구성되었다. 치과위생사를 위한 직무착근도의 하위요인으로는 '조직 적합성', '직무 연계성', '직원 관계성'으로 구분되었다. 또한 확인적 요인분석을 통한 모형의 적합도는 대체로 기준을 충족하였다(${\chi}^2=257.394$ [df=62, p<0.001], RMR=0.059, RMSEA=0.107, CFI=0.887, GFI=0.870, AGFI=0.810, NFI=0.857, IFI=0.888, TLI=0.858). 내적일관성을 검증한 결과 Cronbach's ${\alpha}$는 착근도의 하위요인인 조직 적합성 0.866, 직무 연계성 0.916, 직원 관계성 0.669로 나타나 신뢰할 만한 수준의 측정도구임을 나타냈다. 이상의 결과에 따라 치과위생사의 직무착근도 측정도구의 타당도와 신뢰도는 적합하다고 검증되었다. 향후 우리나라 치과 내 조직원들의 이직 및 장기근속에 대한 연구에 활용되어 의료기관의 병원 경영 및 직원 관리에 보탬이 될 것으로 생각된다.

Keywords

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