Definition of "representativeness" [rep•re•sent•a•tive•ness]

• The state or quality of being accurately representative of something. (noun)

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• "Judging probability by representativeness is indeed associated with systematic errors."
• "Because the definition of representativeness is abstract and a little hard to understand, let’s look at some more concrete examples of how this heuristic works, and how it can lead to major mistakes in many situations."
• "The goodness is the specific representativeness, that is, the average group-represented-to-majority ratio."