Combined mobile-phone and social-media sampling for web survey on social effects of COVID-19 in spain
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DOI: 10.18148/srm/2020.v14i2.7733
Abstract: To minimize coverage and participation biases, this web survey adopted two complementary sampling strategies: (a) SMS invitations to random-number mobile phones, and (b) Internet advertisements targeting specific sociodemographic groups. This combination of aleatory selection from… read more here.
Keywords: phone social; mobile phone; combined mobile; web survey ... See more keywords