<p>They might’ve gotten attached to the schools they submitted SIRs to or the financial aid packages may have been inadequate.
A week isn’t enough time for them 
How many of the 85 would be likely to decline. Is the extended wait list yield rate close to the regular yield rate?
But if a lot of people decline, it would bring the hopes up for many of us on the extended wl, (only to get disappointed in the end =/).
I also think that many people may have chosen to leave the wait list out of frustration. But this is all baseless speculation. I don’t think I have any clue what’s going on or what these colleges are trying to do.</p>