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Reply #14: Do you know the mean response rates [View All]

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Febble Donating Member (1000+ posts) Send PM | Profile | Ignore Mon May-02-05 09:12 AM
Response to Reply #8
14. Do you know the mean response rates
for 2000? This year they were 53%.

That means that more than 40% of people who should have answered the questions either didn't answer (around 35%) or weren't asked (around 10%).

With non-response rates like that, you are incredibly lucky if you don't end up with a biased sample. It is no longer a random sample, and all statistics, including the statistics on which the exit polls are based, assume random sampling.

All voters are reluctant. Is it so unlikely that some will be more reluctant than others?

I work in behavioural sciences, and I worry if my non-response rates drop below 90%.
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