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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Yes but then it would have to be a big sample, I just noticed there is a significant difference in the size of your two samples, that is also a contributing factor, and it might skew the results.
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Difference in sample size also doesn't really matter as long as the sample size is above a certain threshold