Methods 101: What are nonprobability surveys?
Our latest Methods 101 video explores some of the ways these surveys differ from traditional probability-based polls.
Our latest Methods 101 video explores some of the ways these surveys differ from traditional probability-based polls.
Recent events โ including the 2016 presidential election and Brexit โ have rattled public confidence in polls. But this video explains why well-designed polls can still be trusted and remain an important way to measure public opinion.
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