Description of the experiment
https://meta.wikimedia.org/wiki/Research:Voice_and_exit_in_a_voluntary_work_environment/Elicit_new_editor_interests#Online_Experiment
Audience of the experiment
Those who register in Wikipedia in the period of the experiment.
Project
English Wikipedia
Duration
One week first. If enough data is collected, stop at the end of the first week. If not, continue for a second week.