Auxiliary Materials for the Paper ‘Can you Tell the Robot by the Voice? An Exploratory Study on the Role of Voice in the Perception of Robots’ Presented at HRI 2019

Chi-square tables of the variables of interest in the study (robot voice gender, naturalness, accent, and test type). First, a chi-square test was conducted on the whole contingency tables for each variable; then, the adjusted residuals for each cell were tested against a critical
$z$
value; this was the inverse normal distribution of the Bonferroni-corrected significance level.