“…WOM volume and valence are by far the most popular metrics in traditional WOM research (Godes and Mayzlin, 2004;Hartmann, et al, 2022). Aside from that, researchers have explored other metrics such as review variance (Yin et al, 2022), credibility (Wang et al, 2022) helpfulness (Chou et al, 2022), narrativity (Van Laer et al, 2019) and relevance (Biswas, et al, 2022).…”