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Methodological Research » Survey Methods » Online Surveys » Comparing Two Types of Online Survey Samples » 2. Assessing the accuracy of estimates among demographic subgroups » On opt-in samples, 18- to 29-year-olds and Hispanic adults show especially large errors on many of the same variables

2. Assessing the accuracy of estimates among demographic subgroups

On opt-in samples, 18- to 29-year-olds and Hispanic adults show especially large errors on many of the same variables