Table 2.

Descriptive statistics, item-total correlations, ICC’s

	M	SD	Skew	Kurtosis	Item-total score r	ICCb
Anhedonia
1. Intensity of pleasure during activities	2.3	1.6	0.1	-0.9	0.80**
2. Frequency of pleasurable activities	2.5	1.6	0.0	-0.8	0.78**
3. Intensity of future pleasure	2.1	1.5	0.4	-0.3	0.69**	0.88
Subscale total	7.1	4.4	0.1	-0.6
Distress subscale
4. Lack of normal distress	1.0	1.4	1.3a	0.7	0.51**	0.93
Asociality subscale
5. Asociality behavior	2.6	1.4	0.1	-0.3	0.70**
6. Asociality inner-experience	2.0	1.4	0.6	-0.3	0.71**
Subscale total	4.6	2.6	0.4	-0.3		0.95
Avolition subscale
7. Avolition behavior	2.5	1.3	0.0	-0.6	0.74**
8. Avolition inner-experience	2.1	1.5	0.2	-0.7	0.79**
Subscale total	4.7	2.7	0.2	-0.5		0.87
Blunted affect subscale
9. Facial expression	2.2	1.6	0.6	-0.4	0.85**
10. Vocal expression	2.0	1.7	0.6	-0.5	0.81**
11. Expressive gestures	2.1	1.7	0.4	-1.0	0.78**
Subscale total	6.3	4.7	0.6	-0.5		0.95
Alogia subscale
12. Quantity of speech	1.3	1.5	1.1a	0.9	0.72**
13. Spontaneous elaboration	1.5	1.7	0.9	0.0	0.75**
Subscale total	2.7	3.1	1.0	0.1		0.97
BNSS total score	26.3	14.7	0.7	0.1		0.97

^aSkew towards nonpathological ratings

^b n = 28, Two-way mixed model, absolute agreement definition, average measures

**p < 0.01