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Representative Sample

A small group whose characteristics accurately reflect those of the larger population from which it is drawn. This type of sample is often used as the beginning of a study or theory. For instance, if someone noted that a large amount of people with red hair lived in New York city, perhaps they would compare that data to other information about Chicago to try and find a logical explanation (a lot of the same people immigrated at the same time? large extended family? certain nationality that prefers something in New York City?).

Example: If approximately 15% of the United States’ population is of Hispanic descent, a sample of 100 Americans also ought to include around 15 Hispanic people to be representative.

Representative Sample
APA Reference
Fournier, G. (2018). Representative Sample. Psych Central. Retrieved on June 19, 2018, from https://psychcentral.com/encyclopedia/representative-sample/