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Hi all,
I have encountered a problem with regard to the use of query parameters.
My experiment is linked with Unipark. The procedure outlined by Sean - passing the ticket to Inquisit and redirecting it back to Unipark - generally works well, at least in 90% of the cases. Unfortunately, when I take a look into the dataset, 10% of my participants have subjectnumber = 1. From their IP-addresses I can see that they are all different users.
Apparently, the problem is the following: Some people have to download additional software in order to start the experiment. Having installed these applets, the start-page refreshes itself and thereby automatically changes the query parameter to "1".
My link has the general form: http://research.millisecond.com/gesis/wahl.web?a=y&return_tic=z, where a is the query parameter.
Is there any possibility to fix this problem? I would really appreciate your help.
Thomas
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