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enfrar

Variance Reduction and Reading the Result

Using what you already knew about each user to halve the traffic an experiment needs, why slicing a null result by segment finds a winner 46% of the time, and turning a measured effect into a decision.

IntermediateModule 330 min · 120 XP
Each user’s outcome shrinking towards their own pre-period baseline so the spread of the difference halves, then a null result sliced into twelve segments until one of them lights up.

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