| Grade | Recommendation |
|---|---|
| B | Due to the limits of NSA-16 according to the present conceptualization of negative symptoms, this scale should be complemented with a second-generation scale. |
| Grade | Recommendation |
|---|---|
| B | Due to the limits of NSA-16 according to the present conceptualization of negative symptoms, this scale should be complemented with a second-generation scale. |