JS
REPLAY / ex-070
Dark mode
Reviewed as if it had not run yet. The coach sees only experiments that read out before 2026-07-20.
01 THE EXPERIMENT, OUTCOME HIDDEN
HYPOTHESIS
If the product has a dark theme, people who prefer it will use it more.
PRIMARY METRICWeekly active accounts65.4pp baseline
EXPECTED LIFT+1ppas written at the time
AUDIENCEall usersdefaults
READ DATE2026-07-20started 2026-06-22
02 COACH REVIEW
Review this blind?
The coach will see only what this team knew before 2026-07-20. You answer, then the real outcome is revealed and the call is scored.