Table 4. Means (and standard deviations in parentheses) of speech rate for each speaker (syl/sec)

Group	Speaker ID	Speech rate
Adv	1112	3.63 (0.48)
	1215	4.01 (0.35)
	1216	3.18 (0.30)
	2211	3.14 (0.36)
	Mean	3.49 (0.51)
Low	1115	2.35 (0.36)
	2118	2.87 (0.39)
	2212	2.89 (0.36)
	2215	2.45 (0.34)
	2216	2.28 (0.44)
	Mean	2.57 (0.46)