<cite>Kotani et al. (2014)</cite> suggested the possibility of using different linguistic elements such as phonological features, and addressed this question by measuring listenability based on various linguistic features, including speech rate and the frequency of phonological modification patterns such as linking. In addition, their method used listening test scores as a learner feature to measure listenability relative to proficiency. This is because sentences with less listenability for learners at the beginner level might be easy for those at the advanced level. However, because that study focused on the accuracy of measurement, the question of discriminability of This work is licensed under a Creative Commons Attribution 4.0 International Licence. Licence details: http://creativecommons.org/licenses/by/4.0/ linguistic and learner features for the measurement of listenability remained.