This is one of my most surprising twitter finds to me - in the last 3 years, my twitter has had nearly no change of opinion on BLM. How??w
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I expected a change in either direction, I'm surprised by no change. Or was their change in different ppl and they cancelled each other out?
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The same people who were polled the first time, should be polled the second time. It’s hard to draw a correlation if that is not the case.
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Opinion polls that measure political change across time very often don't ask the same people
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No but a lot of work goes into making sure that the two samples are similar enough in most important respects that they can be compared safely - self-selected samples from follower lists on Twitter don’t do this
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Sure - I'm saying that having different sets of people is not inherently a problem. If there's a change in external pressure that change something important about the selection of those people then that would be relevant, the question is how much of that is here