Elizabeth Debraggio, Cecilia Rouse , Lisa Barrow, 23 December 2008

This column shows that randomised computer-aided instruction in mathematics increased student achievement and that the effect is larger for students in large, heterogeneous classes. Also, the costs of maintaining a computer-aided instruction lab are equivalent to those associated with reducing class sizes.

Johan Lagerlöf, Andrew Seltzer, 09 August 2008

Economics is mathematically intensive, and mathematically underprepared economics students are sure to struggle. Unfortunately, this column reports, at least one UK remedial course did little to help its students.