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Yes and no. It will definitely inform about cell phone usage among landline users. You won’t cover population groups with neither a landline nor a cell phone t
by wirrbel 4y ago
Yes and no. It will definitely inform about cell phone usage among landline users. You won’t cover population groups with neither a landline nor a cell phone though.
In the us there is thus famous example about the election exit polls that went horribly wrong because cell phones were new and so the phone survey ignored the laborers