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Pearson correlations (r) for pitch discrimination in semitones (ST) and fundamental frequency standard deviation (ST) for all four groups. *Statistically significant correlation at p < .05.
| Group | N | r | p |
|---|---|---|---|
| Non-singers with typical voices | 26 | 0.53 | .006* |
| Singers with typical voices | 27 | 0.15 | .458 |
| Non-singers with vocal hyperfunction | 22 | 0.09 | .675 |
| Singers with vocal hyperfunction | 30 | 0.31 | .095 |
