NPORS is an annual, cross-sectional survey of U.S. adults. Respondents can answer by paper, online or over the phone, and they are selected using address-based sampling from the United States Postal Service’s Computerized Delivery Sequence File. The response rate to the latest NPORS was 32%, and previous years’ surveys were designed with a similarly rigorous approach.
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NPORS is an annual, cross-sectional survey of U.S. adults. Respondents can answer by paper, online or over the phone, and they are selected using address-based sampling from the United States Postal Service’s Computerized Delivery Sequence File. The response rate to the latest NPORS was 32%, and previous years’ surveys were designed with a similarly rigorous approach.
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2021-05-29
Tarikh tamat pengumpulan data
2021-08-25
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2024-07-20 12:59:23
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2021 National Public Opinion Reference Survey (NPORS) (2021 Aug 25). https://www.voxdash.com/data/4434. Tarikh diperoleh: 2026-10-07 01:19:29 +00:00
