Table 1.

Descriptive statistics and Cohen’s Kappa (κ) between the two coders for the individual speech and gesture variables.

	raw count	mean (SD)	κ
Speech variables (n = 1, 149)
Filled pauses	288	–	.95
Silent pauses	588	–	.97
Repetitions	55	–	.87
Restarts	109	–	.95
Substitutions	36	–	.95
Additions	12	–	1.0
Prolongations	334	–	.82
Utterance duration	–	3008.92 (1329.35)	–
Silent pause duration	–	651.65 (1080.5)	–
Speech syllable rate	–	3.82 (1.42)	–
Gestures (n = 1, 101)		–
Head movements	651	–	.76
Hand movements	280	–	.92
Body movements	377	–	.87
Shoulder movements	26	–	.85
Lip/mouth movements	85	–	.50
Eyebrow movements	242	–	.83
Smiles/laughter	156	–	.81
Gaze	130	–	.95