Might be an interesting study to look at if anyone can get access to the full document. See link below.
Thanks
Dave
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From: Jason Carter [mailto:JCARTER@wcb.mb.ca]
Sent: April-15-14 11:50 AM
To: Dave Elmore
Subject: Review - cross Canada education materials
Hi
Not that this helps because it's not a full text article that's free - but someone you know may be able to get it from a University system.
J.