The latest report on the useof anti-social behaviour orders (ASBOs) by the Chartered Institute of Housing,which was commissioned by the Scottish Executive, provided a range of usefulinformation on the use of ASBOs in the period 1 December 2001 to 31 March 2003.Information on perceivedchanges in behaviour as a result of ASBOs, based on reports from localauthority officials, is one subjective but useful indicator of theireffectiveness.