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. 2021 Jan 26;12:624177. doi: 10.3389/fpsyg.2021.624177

TABLE 9.

Proportion of significant nonverbal features, standard deviations.

Summary statistic = Standard deviation
# Features p < 0.05/# Features # Positive Coef./# Features p < 0.05 # Negative Coef./# Features p < 0.05
Dominance 70/75 68/70 2/70
Face 14/17 14/14 0/14
Head 6/6 6/6 0/6
Voice 50/52 48/50 2/50
Nervousness 21/75 0/21 21/21
Face 1/17 0/1 1/1
Head 2/6 0/2 2/2
Voice 18/52 0/18 18/18
Trust 13/75 13/13 0/13
Face 0/17 0 0
Head 0/6 0 0
Voice 13/52 13/13 0/13

The positive coefficients indicate that a higher value for the standard deviation of the nonverbal feature (i.e., a higher degree of variability) is associated with a higher level of perceived dominance, nervousness, or trustworthiness. The negative coefficients indicate that the variable has a negative sign in the final equation such that less variability is associated with a higher degree of perceived dominance, nervousness or trustworthiness.