Table 3.
Dimensions’ characteristics of Brief COPE
| Dimension (Items) | N | M (SD)a | IIC | IDV | % Floor effect | % Ceiling effect | Alpha | INFIT |
|---|---|---|---|---|---|---|---|---|
| min - max | min - max | min-max | ||||||
| Social support (8) | 385 | 3.89 (1.27) | 0.57 – 0.79 | − 0.11 – 0.33 | 7.5 | 0.3 | 0.82 | 0.64 – 1.58 |
| Problem solving (4) | 391 | 4.57 (1.66) | 0.72 – 0.78 | 0.20 – 0.37 | 10.0 | 3.3 | 0.74 | 0.91 – 1.15 |
| Avoidance (10) | 363 | 3.03 (0.75) | 0.33 – 0.61 | − 0.11 – 0.24 | 9.1 | 0.3 | 0.64 | 0.89 – 1.22 |
| Positive thinking (6) | 398 | 4.59 (1.23) | 0.50 – 0.70 | − 0.14 – 0.46 | 2.8 | 0.5 | 0.71 | 0.88 – 1.26 |
M (SD) mean (standard deviation); IIC item internal consistency; IDV item discriminant validity; Alpha Cronbach’s alpha; INFIT Rasch statistics
ascores ranging from 0 to 10; Higher scores reflect a higher tendency to implement the corresponding coping strategies