Table 3 Item-total correlations of items of the scale (n: 200)
From: Drug Abstinence Self-Efficacy Scale (DASES): psychometric properties of the Farsi version
Scale Mean if Item Deleted | Scale Variance if Item Deleted | Corrected Item-Total Correlation | Cronbach's Alpha if Item Deleted | |
|---|---|---|---|---|
Q.1 | 76.67 | 106.494 | .747 | .954 |
Q.2 | 76.68 | 110.249 | .617 | .956 |
Q.3 | 76.70 | 109.928 | .618 | .956 |
Q.4 | 76.57 | 108.580 | .704 | .955 |
Q.5 | 76.69 | 108.130 | .718 | .955 |
Q.6 | 76.57 | 108.569 | .671 | .955 |
Q.7 | 76.58 | 107.099 | .734 | .954 |
Q.8 | 76.60 | 107.107 | .729 | .954 |
Q.9 | 76.64 | 108.002 | .743 | .954 |
Q.10 | 76.61 | 105.521 | .783 | .954 |
Q.11 | 76.61 | 104.938 | .730 | .954 |
Q.12 | 76.68 | 106.332 | .733 | .954 |
Q.13 | 76.67 | 106.794 | .671 | .955 |
Q.14 | 76.53 | 108.063 | .709 | .955 |
Q.15 | 76.56 | 107.570 | .723 | .954 |
Q.16 | 76.56 | 107.935 | .713 | .955 |
Q.17 | 76.57 | 107.434 | .720 | .954 |
Q.18 | 76.57 | 107.371 | .702 | .955 |
Q.19 | 76.59 | 105.472 | .731 | .954 |
Q.20 | 76.53 | 107.323 | .699 | .955 |