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. 2016 Jun 16;58(3):231-40.
doi: 10.1539/joh.15-0173-OA. Epub 2016 Apr 22.

Validation of the Japanese version of the job crafting scale

Hisashi Eguchi  1 , Akihito Shimazu, Arnold B Bakker, Maria Tims, Kimika Kamiyama, Yujiro Hara, Katsuyuki Namba, Akiomi Inoue, Masakatsu Ono, Norito Kawakami
Affiliations

Validation of the Japanese version of the job crafting scale

Hisashi Eguchi et al. J Occup Health. .

Abstract

Objectives: The aim of this study was to validate the Japanese version of the job crafting scale (JCS-J). JCS measures four independent job crafting dimensions, namely increasing structural job resources, decreasing hindering job demands, increasing social job resources, and increasing challenging job demands.

Methods: The translated and back-translated JCS-J questionnaires were administered online to 972 employees of a Japanese manufacturing company. The data were then divided into independent explorative and confirmative samples. Exploratory and confirmatory factor analyses were performed to evaluate the factorial validity of JCS-J. The relationship with potential consequences of job crafting (e.g., job demands, job resources, and psychological well-being) was investigated to evaluate construct validity. Internal consistency was examined to evaluate the reliability of the four JCSs.

Results: An exploratory factor analysis extracted a five-factor solution. Decreasing hindering job demands was further split into two separate dimensions supporting a five- rather than four-factor structure. A series of confirmatory factor analyses revealed that the modified five-factor model that allows covariance between items fits the data best. Construct validity was generally supported by the expected correlations of each job crafting dimension with each corresponding job resource (+), job demand (+), and psychological well-being (+). Cronbach's α coefficient was sufficient for each of the four dimensions of job crafting (α ranged between 0.76 and 0.90).

Conclusions: This study confirmed that JCS-J is an adequate measure of job crafting that can be used in the Japanese context.

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Conflict of interest statement

Conflicts of interest: The authors declare that they have no conflict of interest.

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