hard20 pts · first answer countsexperimentationmarketplaces

Testing in a two-sided marketplace

In a ride-hailing app, you test a feature that helps treatment riders get cars faster. The test shows a big win, but after launch overall wait times do not improve. Why?

A.The launch was done on the wrong dayB.Treatment and control share the same drivers, so treatment riders took cars from control riders; the test measured a shift, not a real gain. Use switchback or geographic tests insteadC.A/B tests never work for appsD.The control group was too large

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Testing in a two-sided marketplace

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