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Parameters (delay and radius) selected for each feature set based on the highest cross-validated prediction of clinical assessment of conversational entrainment.
| Variable | Accuracy | Kappa | Delay–radius |
|---|---|---|---|
| Rhythm | |||
| EMS | 75.2 | 0.345 | 4–9 |
| Rhythm metrics | 76.0 | 0.411 | 16–9 |
| Articulation | |||
| MFCC | 76.5 | 0.393 | 16–8 |
| LTAS | 69.6 | 0.122 | 5–9 |
| Phonation | |||
| Voice report | 76.6 | 0.323 | 5–8 |
Note. EMS = envelope modulation spectrum; MFCC = mel-frequency cepstral coefficient; LTAS = long-term average spectrum.
