TABLE 6.

Mixed-effect regression results for nonverbal behaviors related to nervousness.

Principle	Strategies	Hypothesized	Measurement	β(SE)
Withdrawn from engagement	Low expressivity	Softer amplitude	Mean vocal loudness	−0.038 (0.02)+
		More rigidity in facial animation	SD AU01	−0.013 (0.02)
			SD AU02	−0.06 (0.02)**
			SD AU04	0.033 (0.02)
			SD AU05	−0.013 (0.02)
			SD AU06	−0.006 (0.02)
			SD AU07	−0.014 (0.02)
			SD AU09	0.002 (0.02)
			SD AU10	−0.022 (0.02)
			SD AU12	0 (0.02)
			SD AU14	−0.032 (0.02)
			SD AU15	−0.038 (0.02)
			SD AU17	−0.005 (0.02)
			SD AU20	−0.024 (0.02)
			SD AU23	−0.031 (0.02)
			SD AU25	−0.032 (0.02)
			SD AU26	−0.037 (0.02)
			SD AU45	−0.031 (0.02)
		More rigidity in head movement	SD head pitch	−0.05 (0.02)*
			SD head yaw	−0.044 (0.02)+
			SD head roll	−0.061 (0.02)**
	Low conversational management	Small amount of talk time	Mean turn-at-talk duration	−0.052 (0.02)*
		Fewer turns-at-talk	Count of turn-at-talk	−0.063 (0.02)**
Unpleasantness	Tension	Higher pitch	Mean vocal pitch	0.038 (0.03)
		Less vocal variation	SD vocal pitch	0.032 (0.02)

⁺p < 0.1, *p < 0.05, **p < 0.01. Only beta weights and standard errors for each nonverbal behavior are presented. See Supplementary Tables 4–6 for full model results.