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Re:The Rise and Fall of For-Profit Schools by ThomPete on Wednesday October 28, 2015 @05:14PM (#10467474)
It's I believe the Hawtorne Effect I believe

https://en.wikipedia.org/wiki/Hawthorne_effect

Re:The Rise and Fall of For-Profit Schools by drumdance on Thursday October 29, 2015 @02:58PM (#10473395)
I don't believe that applies in the Chicago study because they just looked at data retrospectively. There were no observers when the events were taking place.