TABLE 3.

Frequencies (n) and proportions (%) of different types of contributions in the GECO corpus with associated mean and median gap durations in seconds, 95% confidence interval of the means.

Contribution	n	%	Mean	95% CI		Median
Excluded turns
(1) Noise, laughter, not understood	3757	14	−0.306	−0.335	−0.278	−0.130
(2) Slips, interruptions	572	2	0.004	−0.032	0.041	−0.043
Total	4266	16
Backchannels
(3) Generic BCs	1825	7	−0.291	−0.324	−0.258	−0.225
(4) Single word	1690	6	−0.145	−0.168	−0.122	−0.160
(5) Combinations	583	2	−0.092	−0.138	−0.045	−0.065
Total	4098	16	−0.202	−0.221	−0.184	−0.175
(6) Continuations-after-BC	3699	14	−0.023	−0.034	−0.013	−0.075
(7) Utterances beginning with filler	518	2	0.046	0.013	0.079	0.020
(8) Utterances beginning with particle	1463	6	0.062	0.041	0.082	0.010
(9) Remaining contributions	12,047	46	−0.143	−0.151	−0.134	−0.115
Grand total	26,091