Table 1.
Estimation scales.
| Scale | Items | Number range <50/50–100/>100 | Dimension 2D/3D | Arrangement structured/unstructured | Cronbach’s alpha (α) |
|---|---|---|---|---|---|
| SmallN | 6 | 6/0/0 | 4/2 | 3/3 | 0.78 |
| 2DlargeN | 4 | 0/1/3 | 4/0 | 3/1 | 0.69 |
| Mix | 4 | 1/2/1 | 2/2 | 1/3 | 0.75 |
| 3DlargeN | 4 | 0/1/3 | 0/4 | 2/2 | 0.71 |