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The Conversation

National poll vs sample survey: how to know what we really think on marriage equality

  • Written by Louise Ryan, Distinguished Professor of Statistics, University of Technology Sydney

The plan to use the Australian Bureau of Statistics to conduct the federal government’s postal plebiscite on marriage reform raises an interesting question: wouldn’t it be easier, and just as accurate, to ask the ABS to poll a representative sample of the Australian population rather than everyone?

Given that the vote is voluntary and...

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