. Author manuscript; available in PMC: 2014 Dec 1.

Published in final edited form as: J Speech Lang Hear Res. 2013 Dec 1;56(6):1774–1788. doi: 10.1044/1092-4388(2013/12-0134)

Table 2.

Correlation coefficients (and associated p values) for the relationship between an index of mandibular size and the dependent variables from all four tasks, for upward and downward movements separately.

Task	Dependent variable	Stuttering group		Nonstuttering group

		Up	Down	Up	Down
Task I	minimal displacement (peak)	.64 (.03)	.53 (.09)	.08 (.82)	.39 (.24)
Task II	kinesthetic detection threshold	.66 (.03)	.63 (.04)	−.03 (.93)	.01 (.97)
Task III	position error	.12 (.73)	.08 (.82)	−.02 (.96)	−.14 (.67)
Task IV	position detection error	.02 (.95)	−.13 (.70)	−.11 (.74)	.09 (.78)