“…f 0 has validity as an indicator of emotional arousal based on research on emotion and distress vocalizations among humans and other mammals (see Juslin & Scherer, 2005, for an extensive review) and has been examined in various couples’ contexts (e.g., B.R. Baucom et al, 2015; Fischer et al, 2019; Weusthoff, Baucom, & Hahlweg, 2013). Research also suggests that f 0 may be an indicator that people use to make judgments about other’s emotional experiences (Eckland, Leyro, Mendes, & Thompson, 2019), even across species (Filippi et al, 2017).…”