T298055 will introduce the Topic Subscriptions and the set of Usability Improvements to mobile talk pages at an initial set of wikis.

This task represents the work with conducting an impact analysis to evaluate what impact introducing Topic Subscriptions and Usability Improvements to mobile talk pages led to:

1. People being more likely to publish disruptive edits using mobile talk pages
2. People being less likely to publish new talk page comments or discussions using mobile talk pagse
3. People being less likely to recognize talk pages as spaces to communicate with others

Decision to be made

This impact analysis will help us make the following decision: Do any adjustment need to be made to Topic Subscriptions and the set of mobile Usability Improvements before an A/B test can be run of the set of mobile DiscussionTools features (T298062)?

Hypotheses

Decision Matrix

Analysis Scope + Timing

• The data analyzed as part of this ticket should be limited to the two weeks before and after T298222 is resolved.
• This analysis should happen >= 4 weeks after T298058 is resolved