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Comparison of regressions using features extracted from speech, elicited by different tasks, for inferring severity of PD, where † denotes statistically significant results.
| Elicitation Tasks | Mean of Absolute Errors | |
|---|---|---|
| Chance | 8.0 | |
| a) | Phonation Task | 7.1 |
| b) | DDK Task | 6.1† |
| c) | Reading Task | 5.6† |
| d) | All (a+b+c) | 5.5† |
