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Purpose. To investigate the reliability and validity of a single-item overall job satisfaction measure. Methods. Public agency employees (n = 745) were surveyed regarding job satisfaction, work, personality, and health variables. The single-item measure underwent the following analyses: correction for attenuation formula to estimate minimum reliability; correlations with multiple-item job satisfaction, work, personality, and health measures to determine concurrent validity, construct validity, and specific relevance to health promotion; and logistic regression to determine the predictability of turnover intention. Results. For the single-item measure the minimum reliability estimate was high, all correlational tests for validity were significant, logistic regression indicated substantial predictability of turnover intention, and correlations with the health measures were significant. Discussion. These results are consistent with other studies and support the psychometric properties of this single-item overall job satisfaction measure. Limitations of the study and its implications for worksite health promotion are discussed.
Dolbier et al. (2005) studied this question.