| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0. The child does not react in any way | 4 |
1.6%
|
| 1 | 1. The child smiles in response to the mother talking to him/her | 95 |
37.4%
|
| 2 | 2. The child sometimes vocalizes when talked to | 85 |
33.5%
|
| 3 | 3. The child always vocalizes when talked to | 70 |
27.6%
|