Table 1.
Mean (with standard deviation in brackets), Skewness, Kurtosis, standardized factor loadings (λ), item discrimination, and category threshold estimates (with the standard errors in brackets) of the items of the Bergen Facebook Addiction Scale (BFAS).
| Item | M (SD) |
Skewness | Kurtosis | λ |
a
(SE) |
b1
(SE) |
b2
(SE) |
b3
(SE) |
b4
(SE) |
|---|---|---|---|---|---|---|---|---|---|
| Spent a lot of time thinking about Facebook or planned use of Facebook | 1.75(1.04) | 1.4 | 1.4 | 0.72 | 1.78 (0.12) |
0.21 (0.05) |
1.17 (0.07) |
2.02 (0.11) |
2.62 (0.16) |
| Felt an urge to use Facebook more and more | 1.69 (0.95) |
1.3 | 1.1 | 0.87 | 3.05 (0.25) |
0.22 (0.04) |
1.05 (0.05) |
1.79 (0.08) |
2.57 (0.14) |
| Used Facebook in order to forget about personal problems | 1.64 (0.99) |
1.6 | 1.9 | 0.58 | 1.22 (0.10) |
0.56 (0.07) |
1.61 (0.11) |
2.64 (0.19) |
3.61 (0.28) |
| Tried to cut down on the use of Facebook without success | 1.73 (1.03) |
1.4 | 1.3 | 0.69 | 1.63 (0.12) |
0.32 (0.05) |
1.26 (0.08) |
2.09 (0.12) |
2.88 (0.18) |
| Become restless or troubled if you have been prohibited from using Facebook | 1.41 (0.80) |
2.2 | 4.9 | 0.80 | 2.26 (0.18) |
0.81 (0.05) |
1.63 (0.08) |
2.30 (0.12) |
2.97 (0.20) |
| Used Facebook so much that it has had a negative impact on your job/studies | 1.53 (0.90) |
1.8 | 2.7 | 0.63 | 1.37 (0.11) |
0.71 (0.07) |
1.71 (0.11) |
2.71 (0.19) |
3.75 (0.30) |
Note. Standardized factor loadings λ are all significant at p = 0.001. Parameters were computed under the GRM model (a = discrimination, b = severity). df = degrees of freedom, SE = standard error.