Results

Descriptive Statistics

Table 1 shows the means, standard deviations, correlations, and the internal consistency indexes of the scales. All scales present acceptable reliability indexes. Both decision making measures showed not to be correlated, confirming an interdependence in measuring two distinct decision-making competences. In relation to socio-demographic variables, DMCy shows positive correlations with length in service and job position (r = 0.21, p < 0.01); DEM presents a positive correlation with the number of supervised staff (r = 0.20, p < 0.01). Consistent with our hypotheses, we found positive correlations between DMCy and in-role performance, and between DEM scores and extra-role performance on the other hand, partially confirming hypotheses H1a and H2a. DEM in addition shows a positive correlation with some job resources (feedback = 0.19, p ;< 0.05; professional development = 0.33, p < 0.01), instead no relationship between DMCy and job demands emerged. Both decision-making measures revealed negative correlations with exhaustion (DEM = -0.20, p < 0.05; DMCy = -0.27, p < 0.01) partially confirming H3a and H4a. Next analyses will test the direction of such relationships in order to fully confirm hypotheses.

TABLE 1. Means, standard deviations (SD), internal consistencies (on the diagonal) and correlations among socio-demographics and study's variables.