One of the most representative morpho-phonological features of Finnish is the existence of vowel harmony. Back vowels (a, o, and u) and front vowels (ä, ö, and y) cannot appear in the same monomorphemic word (e.g., PÖYTÄ [table] but not POYTÄ)--the vowels e and i are considered "neutral" and can accompany either front or back vowels…

In tandem learning, a model for two-way language learning originally developed for non-formal education, language is learned through interaction between two native speakers with different first languages learning each other's languages in cooperation. A high level of authentic learning characterises this model. The original tandem learning model…