Within Canada, there has been very little research. The work done by Jim Bonta probably represents the major study within Canada.
The interesting thing about electronic monitoring is that one of the reviews we looked at for this report looked at over 350 studies that had addressed electronic monitoring, but most of those studies don't address the quality and the value of the electronic monitoring itself. They're not evaluations of electronic monitoring; they're simply descriptions of programs, rather than an assessment of whether they're actually achieving objectives.