An agreed-upon plan for calculating retention: data collection checkpoints and review of retention data, along with a documented method document and identification of next steps
**Acceptance Criteria:** (essentially, define the 5Ws)
* Determine what is being measured
* Determine at what time periods we'll collect data before selecting a time period
[x] meet with @nettrom_WMF to review Growth's definitions
[x] meet with Community team to review PA & growth definitions
[x] review items with GDI (see related [[ https://docs.google.com/document/d/1YPtZBj4B-8LRBIsxYlyezrTrpFlzzlnsvL7r9BTrfds/edit | Organizer lab doc discussion ]] )
[x] meet with design research (Gregory)
[x] review items with NSQ or Thursday share back mtg
[[ https://docs.google.com/document/d/1yISC-QMm_PWAYaX3eknt6SwlpD5HoVWUtWD6zIKQDms/edit | Notes ]]
FYI: Related: T209771 and 300415 and 300414