Applicants must have high level of academic ability and genuine interest in research; minimum academic qualifications are a higher degree or 2nd Class Honours degree in a subject appropriate to proposed area of research; preference is given to those who have completed postgraduate study or have substantial, relevant practical experience; candidates whose 1st language is not English need minimum 550 (TOEFL), 220 (computer-based TOEFL), 6.0 (IELTS).