We will want to have insight into new users' interactions with the form we're designing. Beyond the actual answers that users give via the survey form, here are the additional things we will want to know:
# How often do users skip the form without filling any of it out?
# How often do users fill out some of the questions before dismissing/skipping the form? Which questions?
# How often do users click on other links that are contained in the form?
# How do activation rates (or other behavior) change between users who do and do not receive the form, according to the experiments laid out in T206380?
For #2, we will likely get that from storing the responses of the form. For #3, we be able to get that from the "Understanding first day" instrumentation.
#1 seems to be the open question.
We will also want to connect this with the data we are gathering via "[[ https://phabricator.wikimedia.org/T205754 | Understanding first day ]]" so that we can see the impact that this feature has on the broader experience for the new editor.
The first question is for @SBisson -- will we be capturing these things via the current plan? Will any additional instrumentation be necessary?