There is a choice of either the MA Dissertation or the Portfolio.
The Portfolio (16.000-18.000 words) is submitted by the 30th of September of (a) the year of entry to the programme for full-time students and (b) the following year for part-time students.
Students wishing to continue for a PhD on a more theoretical strand of applied linguistics are advised to choose the dissertation option.
Further details about the portfolio are available here.