when you randomize into treatment + control groups, the groups are the same IN EXPECTATION, not IN OBSERVATION. it's possible your groups will have different observed characteristics, it doesn't (always) mean "randomization didn't work" - ThreadSky

chelseaparlett.bsky.social • 5 days ago

when you randomize into treatment + control groups, the groups are the same IN EXPECTATION, not IN OBSERVATION.

it's possible your groups will have different observed characteristics, it doesn't (always) mean "randomization didn't work"

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