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Even with door to door knocking, you're going to introduce a bias -- toward people who are around to answer the door, which would tend to undersample essential
by jonas21 7y ago
Even with door to door knocking, you're going to introduce a bias -- toward people who are around to answer the door, which would tend to undersample essential workers.
- AznHisoka 7y agoOr people who will try to talk to you from their balcony rather than answering the door.