“…For example, Wong had only simple spontaneous tacts (e.g., a “kuai” or “kai” sound is an approximation for “kuaile,” meaning “happy” in Mandarin Chinese), but his spontaneous tacts increased, and his performance on emotion recognition showed improvement. As suggested in previous review research, a strong tact can lead to the development of other verbal operants and facilitate emotion recognition and social interaction (Bak, Dueñas, Avendaño, Graham, & Stanley, 2021). In addition, we noted that our results are inconsistent with the study by Williams et al (Williams et al, 2012).…”