The 2008 Research Assessment Exercise returned 26% of the 1225 staff submitted as being world-leading (4*) and a further 47% as being internationally excellent (3*). The 2008 Research Assessment Exercise also showed five subjects – Pure Mathematics, Epidemiology and Public Health, Chemical Engineering, Civil Engineering, and Mechanical, Aeronautical and Manufacturing Engineering – were assessed to be the best[clarification needed] in terms of the proportion of internationally recognised research quality. COUNT 4
QSN1 What percentage of Imperial's staff was classified as world leading in 2008? ANS1 26% QSN2 What percentage of Imperial's staff was deemed to be internationally excellent in 2008? ANS2 47% QSN3 Which group assessed Imperial's staff members to determine their standing in relation to the rest of the world? ANS3 Research Assessment Exercise QSN4 How many subjects were judged to be the best in terms of internationally recognised research quality? ANS4 five