Skip to main content

Table 8 Discrimination of the PANSS Negative Symptoms Items

From: Use of NON-PARAMETRIC Item Response Theory to develop a shortened version of the Positive and Negative Syndrome Scale (PANSS)

Criterion

1

2

3

4

5

Rating

Negative Symptoms

      

N1. Blunted Affect

6 (Yes)

Yes

Yes

Yes

Yes

Very Good

N2. Emotional Withdrawal

6 (Yes)

Yes

Yes

Yes

Yes

Very Good

N3. Poor Rapport

6 (Yes)

Yes

Yes

Yes

Yes

Very Good

N4. Passive Apathetic Social

Withdrawal

6 (Yes)

Yes

Yes

Yes

Yes

Very Good

N5. Difficulty in Abstract

Thinking

6 (Yes)

No

No

No

Yes

Weak

N6. Lack of spontaneity/

Flow of conversation

6 (Yes)

Yes

Yes

Yes

Yes

Very Good

N7. Stereotyped Thinking

6 (Yes)

Yes

Yes

Yes

No

Very Good

  1. Note. Ratings are based on operation criteria presented in Table 2.