Table 5 Contributions of Conceptually Critical Features for predicting cognitive/social functioning, beyond demographics (entered in step 1).

From: Using machine learning of computerized vocal expression to measure blunted vocal affect and alogia

Conceptually critical features:

DV: Cognitive functioning

DV: Social functioning

 

∆R2

∆F

B (se)

∆R2

∆F

B (se)

Symptom of Interest: blunted vocal affect

Intonation

0.01

0.78

−0.21 (0.21)

0.02

1.17

0.30 (0.28)

Emphasis

0.06

4.52*

−0.40 (0.19)*

0.00

0.12

−0.08 (0.24)

Symptom of Interest: Alogia

Pause mean

0.13

9.59*

−0.54 (0.17)*

0.01

0.25

−0.11 (0.22)

  1. Relative contributions of Conceptually Critical Features (Step 3) beyond that of Predicted and Clinical Symptom Rating measures (Step 2) and demographics (Step 1) for predicting cognitive and social functioning (Dependent variables; DV). Note: Step 1 demographics R2 = 0.19; Step 1 demographics R2 = 0.12; Step 1 demographics R2 = 0.27; Step 1 demographics R2 = 0.12.
  2. se standard error, DV dependent variable.
  3. *p < 0.05.
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