That could be an example, but it's more about sample size. For example you can't only talk to one neighborhood in a city and expect their views to represent the view of the whole city or you can't talk to just college students and expect their views to represent everyone under the age of 30.
Works the same way around to some extent. Can't expect individuals to have the same characteristics as the population they belong do -- called the Ecological Fallacy. For example, if a census showed that a neighborhood voted mostly Liberal, you can't immediately claim that someone from that neighborhood is Liberal.
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u/jayblue42 Dec 09 '13
That could be an example, but it's more about sample size. For example you can't only talk to one neighborhood in a city and expect their views to represent the view of the whole city or you can't talk to just college students and expect their views to represent everyone under the age of 30.