Wearing face masks impairs dyadic micro-activities in nonverbal social encounter: A mixed-methods first-person study on the sense of I and Thou.

The difference between PF-A and RO-A (independent of conditions) proved highly significant with large effect size in a Chi-square test between BRI = 1 and BRI = 0, χ 2 (1, N = 89) = 33.5, p < 0.001, w = 0.61, indicating that PF-A is strongly associated with body reference, while RO-A is not.

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