Table 3.
Zero-order correlations between the computer and clinical-based measures of negative symptoms for patients (n = 60).
| COMPUTER MEASURES | CLINICAL RATINGS | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| COMPUTER MEASURES | 1. | 2. | 3. | 4. | 5. | 6. | 7. | 8. | 9. |
| 1. Inflection (Hz.) | 1.00 | - | - | - | - | - | - | - | - |
| 2. Speech rate (words/sec.) | .02 | 1.00 | - | - | - | - | - | - | - |
| 3. Positive emotion words (% of total) | −.14 | −.14 | 1.00 | - | - | - | - | - | - |
| 4. Negative emotion words (% of total) | .10 | .48** | −.35** | 1.00 | - | - | - | - | - |
| CLINICAL RATINGS | |||||||||
| 5. Lack of Vocal Inflections1 | −.26* | −.41** | −.04 | −.05 | 1.00 | - | - | - | - |
| 6. Poverty of speech1 | −.06 | −.57** | −.09 | −.05 | .63** | 1.00 | - | - | - |
| 7. Increased latency1 | .08 | −.40** | .06 | −.03 | .37** | .62** | 1.00 | - | - |
| 8. SANS global alogia1 | .08 | −.36** | .07 | .08 | .53** | .70** | .70** | 1.00 | - |
| 9. SANS global anhedonia1 | .30* | −.09 | −.02 | −.03 | .17 | .37** | .23+ | .28* | 1.00 |
| 10. SANS global affective flattening | −.15 | −.49** | .12 | −.28* | .69** | .57** | .56** | .50** | 1.00 |
+
= p value < .10,
*
= p. value < .05,
**
= p. value < .01.
1
Spearman’s Rho was computed to minimize the impact of skew in the clinical rating scores.
Higher scores reflect more severe symptomatology.