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Mean formant frequency in Hz for the last 15 utterances of each of the four phases in Experiment 1. One standard deviation is given in parentheses.
| Baseline | Shift 1 | Shift 2 | Shift 3 | |
|---|---|---|---|---|
| F1 | 582.6 (29.9) | 562.4 (32.7) | 547.8 (28.9) | 536.0 (28.4) |
| F2 | 1705.8 (80.4) | 1727.1 (80.1) | 1749.1 (89.7) | 1766.5 (88.8) |
