He was responding to a rare spate of rioting in Dublin that was sparked by the non-fatal stabbing of three children and a school assistant by a man of Algerian origin.
These typically are 20 hours a week commitments to your department in which you're admitted to where you may work as a graduate teaching assistant, or a research assistant or just a general assistant.
Lin also worked as a teaching assistant in architectural design, and she outperformed most of her male peers academically, with many of her score cards being marked with a " D" for distinction.
Class sizes tend to be smaller, there aren't a lot of teaching assistants, and the teachers themselves tend to dedicate their time to teaching, rather than having research projects outside of the classroom.