Postgraduate diplomas provide the opportunity for continuing professional development in the same area as an original degree. A postgraduate diploma can often lead to a masters degree.
Studying International Relations and Security Studies at Waikato includes aspects of international law and trade, and focuses on particular regions of concern (notably, the Middle-East and South-East Asia). A wide range of different length dissertations and theses can be undertaken allowing you to focus on an area of special interest.