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> The way I have the scripts set up does this, but I am worried about what happens if people quit the study between these two > components. For example, if someone completes the first part with the initial randomization but not the second part with the > other randomization, will that throw off the match between the randomization for the first and second components for later > participants?
No, it will not have any effect on other participants / their randomization at all. The subject number is assigned when someone visits the launch page. The number is the same for *all scripts* run in via the <batch> (otherwise you wouldn't be able to match the data). Whether the given participant completes all scripts or decides to bail out prematurely has no effect whatsoever on other participants.
You can try this for yourself. Start, quit midway, refresh the launch page and repeat.
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