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Reliability, Validity, and Significance of Assessment of Sense of Contribution in the Workplace
Department of Public Health and Occupational Medicine, Graduate School of Medicine, Mie University, 2-174 Edobashi, Tsu, Mie 514-8507, Japan
Department of Welfare System and Health Science, Okayama Prefectural University, 111 Kuboki Soja, Okayama 719-1197, Japan
* Author to whom correspondence should be addressed.
Received: 10 October 2013; in revised form: 17 January 2014 / Accepted: 24 January 2014 / Published: 29 January 2014
Abstract: The purpose of this study was to assess the validity and reliability of the Sense of Contribution Scale (SCS), a newly developed, 7-item questionnaire used to measure sense of contribution in the workplace. Workers at 272 organizations answered questionnaires that included the SCS. Because of non-participation or missing data, the number of subjects included in the analyses for internal consistency and validity varied from 1,675 to 2,462 (response rates 54.6%–80.2%). Fifty-four workers were included in the analysis of test–retest reliability (response rate, 77.1%). The SCS showed high internal consistency (Cronbach’s α coefficients in men and women were 0.85 and 0.86, respectively) and test–retest reliability (intraclass correlation coefficient = 0.91). Significant (p < 0.001), positive, moderate correlations were found between the SCS score and scores for organization-based self-esteem and work engagement in both genders, which support the SCS’s convergent and discriminant validity. The criterion validity of the SCS was supported by the finding that in both genders, the SCS scores were significantly (p < 0.05) and inversely associated with psychological distress and sleep disturbance in crude and in multivariable analyses that adjusted for demographics, organization-based self-esteem, work engagement, effort–reward ratio, workplace bullying, and procedural and interactional justice. The SCS is a psychometrically satisfactory measure of sense of contribution in the workplace. The SCS provides a new and useful instrument to measure sense of contribution, which is independently associated with mental health in workers, for studies in organizational science, occupational health psychology and occupational medicine.
Keywords: psychological distress; reliability; scale development; sense of contribution; sleep disturbance; validity
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MDPI and ACS Style
Takaki, J.; Taniguchi, T.; Fujii, Y. Reliability, Validity, and Significance of Assessment of Sense of Contribution in the Workplace. Int. J. Environ. Res. Public Health 2014, 11, 1594-1604.
Takaki J, Taniguchi T, Fujii Y. Reliability, Validity, and Significance of Assessment of Sense of Contribution in the Workplace. International Journal of Environmental Research and Public Health. 2014; 11(2):1594-1604.
Takaki, Jiro; Taniguchi, Toshiyo; Fujii, Yasuhito. 2014. "Reliability, Validity, and Significance of Assessment of Sense of Contribution in the Workplace." Int. J. Environ. Res. Public Health 11, no. 2: 1594-1604.