The contact method collection that typically has the lowest response rate is:

Question

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The mail method typically has the lowest response rate due to factors such as recipients being hesitant to open unsolicited mail, the inconvenience of having to physically respond by mail, and the possibility of mail being lost or misplaced. Other methods such as phone, personal interview, online, and CATI generally have higher response rates.

The Contact Method Collection That Typically Has the Lowest Response