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Table 4 Mean 50% phoneme boundary locations in the [ʃ]-[s] sibilant continuum, estimated by means of logistic regression curves derived from response patterns in the high and low F0 contexts of each vowel quality condition

From: On the perception of “segmental intonation”: F0 context effects on sibilant identification in German

Vowel quality

Mean 50% [ʃ]-[s] boundary location in high F0 context

Mean 50% [ʃ]-[s] boundary location in low F0 context

Mean [ʃ]-[s] boundary shift high vs. low F0

Test statistics of paired sample t test

[ɪ] Fisch/Viss

6.41

5.35

1.06

t[29] = 4.83, p < 0.001

[a] Pasch/Pass

5.63

4.50

1.13

t[29] = 6.22, p < 0.001

[ʊ] Busch/Bus

5.24

3.99

1.25

t[29] = 7.95, p < 0.001