Regarding the relationship of accent ratings and learning factors, the amount of Cantonese use is proven to be the most determinant indictor for learners' perceived accent, followed by AOA, LOR and Urdu use.
the accent rating result for the new vowel /ae/ did not clearly support the model, and the acoustic results for new vowel demonstrated that the experienced learners could articulate /ae/ in the same way as English natives did, unlike the inexperienced learners.