Facebook post by University of Helsinki

While speech is the most common form of human communication, both language teaching and testing is focused on writing, also in Finland. In the future articulation rate could be used in language skills assessment as it is a feature independent of the language.
Articulation rate indicates how fluent you are in a foreign language | University of Helsinki www.helsinki.fi

In her doctoral dissertation, Heini Kallio looks for connections between the acoustic features of speech and the language proficiency assessments carried out by humans. The results can be applied to the development of teaching in oral language skills and their automated assessment.