Table 3 Measures of internal consistency and stability of the IR-TBICS scale
Factor | The name of factor | Number of items | Cronbach alpha (n = 240) | ICC (n = 25) |
|---|---|---|---|---|
1 | Outcome evaluations | 7 items (7–13) | 0.74 | 0.81 |
2 | Behavioral beliefs | 6 items (1–6) | 0.80 | 0.79 |
3 | Injunctive normative beliefs | 5 items (14–18) | 0.84 | 0.84 |
4 | Behavioral intention | 3 items (22–24) | 0.61 | 0.71 |
5 | Motivation to comply | 3 items (19–21) | 0.64 | 0.78 |
Total | 24 items | 0.88 | 0.79 | |