What is a medium's ability to reach a precisely defined market?

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A medium's ability to reach a precisely defined market is its audience selectivity. This refers to the medium's ability to target specific demographic or psychographic segments of the population. For example, a sports magazine may have high audience selectivity for males aged 18-35 who are interested in sports, while a travel channel may have high audience selectivity for affluent individuals with a passion for travel.

What Is a Medium's Ability to Reach a Precisely Defined