Table 3.
Mean values and standard deviations for duration, F1, and F2 for native English and Spanish speaker groups.
| Speaker group | Vowel | Duration | F1 | F2 | |||
|---|---|---|---|---|---|---|---|
| M | SD | M | SD | M | SD | ||
| English | ∕i∕ | 194.16 | 32.31 | 347.79 | 48.36 | 2580.52 | 237.60 |
| ∕ɪ∕ | 161.24 | 24.69 | 526.87 | 126.61 | 2079.26 | 162.67 | |
| ∕e∕ | 227.50 | 45.09 | 444.87 | 97.62 | 2462.76 | 164.09 | |
| ∕æ∕ | 228.52 | 30.92 | 837.04 | 208.61 | 1852.45 | 109.34 | |
| ∕ʌ∕ | 188.21 | 28.33 | 686.44 | 190.17 | 1413.56 | 132.22 | |
| ∕a∕ | 235.61 | 44.23 | 768.69 | 198.51 | 1221.27 | 72.73 | |
| Spanish | ∕i∕ | 178.19 | 36.63 | 356.76 | 53.84 | 2433.36 | 229.45 |
| ∕ɪ∕ | 169.59 | 40.71 | 392.07 | 48.71 | 2395.58 | 282.15 | |
| ∕e∕ | 235.87 | 40.51 | 439.96 | 52.00 | 2367.90 | 263.70 | |
| ∕æ∕ | 217.56 | 35.55 | 777.84 | 143.82 | 1637.71 | 144.31 | |
| ∕ʌ∕ | 189.02 | 41.32 | 634.20 | 85.69 | 1352.06 | 208.50 | |
| ∕a∕ | 195.63 | 34.55 | 664.78 | 89.72 | 1310.77 | 157.48 | |
Mean values represent averages of tokens of each vowel for each speaker and standard deviations represent the variance of the means of these tokens.