Assigning Group Number via URL

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Assigning Group Number via URL

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smb	smb posted 8 Years Ago Topic Details Share Topic
Group: Forum Members Posts: 3, Visits: 13	Hi, I am running a study in which different conditions withing the batch are associated with different time points of completion (i.e. Time 1 vs Time 2 measurement). Thus, I don't want to randomly assign people to different groups, but I am also weary about relying on participants to enter in their own group number correctly. Is there a way to assign the group number via URL to linked with the study? Thanks!
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Dave	Dave posted 8 Years Ago ANSWER Post Details Share Post
Group: Administrators Posts: 12K, Visits: 98K	Yes, that's absolutely possible. In your web experiment's settings, select the 'URL parameter' option under "Choose how the group id should be determined:". All you need to specify is the name of the parameter (you can pick it freely in this case). For the sake of example, let's call the parameter 'condition'. Suppose you have two timepoints / conditions as in: <batch> / subjects = (1 of 2) / groupassignment = groupnumber / file = "timepoint_1.iqx" ... </batch> <batch> / subjects = (2 of 2) / groupassignment = groupnumber / file = "timepoint_2.iqx" ... </batch> With the query parameter set up in the settings, the URL https://research.millisecond.com/yourusername/yourexperimentname.web?condition=1 would run the 1st condition (timepoint_1.iqx, ...), while https://research.millisecond.com/yourusername/yourexperimentname.web?condition=2 would run the 2nd condition (timepoint_2.iqx, ...). This can be extended to however many conditions / timepoints you need. Edited 8 Years Ago by Dave
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smb	smb posted 8 Years Ago ANSWER Post Details Share Post
Group: Forum Members Posts: 3, Visits: 13	Thanks so much, Dave. This was very helpful!
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