Magdalena Wrembel is assistant professor at Adam Mickiewicz University (AMU), Poznań (Poland), and her research areas involve SLA of speech, phonological acquisition of the third language, language awareness and innovative trends in pronunciation pedagogy.Małgorzata Kul is assistant professor at AMU interested in metaphonology, articulatory effort and phonological processes, in particular lenition in both speech and writing.Katarzyna Dziubalska-Kołaczyk is professor and head of the School of English at AMU. She has published extensively on phonology, phonetics and second language acquisition advocating the Natural Linguistic approach to language.