“…UmetSoft suggested using CEM, a method proposed in Semiotic Engineering to evaluate Communicability as an expected attribute in a user interface (Alarcón, Medina, & Villaroel, 2013). The experience was performed based on the study by Paz et al (Paz, Paz, & Pow-Sang, 2016) with real users in a laboratory with an ATM, in front of the application as such. .…”