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Collecting outcome data
For a trial to yield insight, we need to be able to track and measure meaningful outcomes, and connect these to the particular 'arm' of the trial the person saw ... (if they saw any arm at all)
In this section we discuss how to see the results of your promotions and trials, and how to access data sets of these results that you can analyze.
Other approaches include time-series and difference in difference in response to switching on or off the ad, trial, or page content. Nick: Branch and Amplitude/apply/segment ... to track someone throughout the whole funnel