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Reducing Bias in Phone Survey Samples : Effectiveness of Reweighting Techniques Using Face-to-Face Surveys as Frames in Four African Countries (Английский)

Several developing countries are currently implementing phone surveys in response to immediate data needs to monitor the socioeconomic impact of COVID-19. However, phone surveys are often subject to coverage and non-response bias that can compromise the representativeness of the sample and the external validity of the estimates obtained from the survey. Using data from high-frequency phone surveys in Ethiopia, Malawi, Nigeria, and Uganda, this study...
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