“…Effective interpersonal communication, from the humanistic perspective, requires openness, empathy, supportive, positive and equality attitudev (Prasetyo, Effectiveness of Barista Interpersonal Communication Safitri, & Hidayat, 2017). Some previous researchers who used the five criteria in measuring the effectiveness of interpersonal communication include (Fitri, 2017;Prasetyo et al, 2017;Rahmah, 2018). Rahmah's research results (2018) at Starbucks coffee Indonesia Pondok Indah Mall in South Jakarta concluded that the Starbucks barista has effective interpersonal communication skills, both in terms of openness, empathy, supportive, positive, and equal attitude.…”