Survey mode effects linked to unit nonresponse and screening procedures were estimated in a study of self-reported tobacco, alcohol, and illicit drug use. Two samples of the same population were drawn ...
An illustration of the various elements of the overall Mars Sample Return effort. Credit: NASA/JPL-Caltech WASHINGTON — NASA has confirmed that one scenario for the cost of its Mars Sample Return (MSR ...
We propose new model-based methods for unit non-response in two-stage survey samples. A commonly used design-based adjustment weights respondents by the inverse of the estimated response rate in each ...
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