Unformatted text preview: would make up an aggregate. Social Category A social category is a collection of people who are classified together because they all have the same characteristic. White males, native Americans, and females over 65 years of age, would all be examples of social categories. TYPES OF SOCIAL GROUPS In-groups and out-groups are concepts that were introduced into sociology by William Graham Sumner (Sumner 1906.) The term in-group refers to any group to which the individual has membership or belongs....
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- Fall '10
- Sociology, social category, William Graham Sumner, Sociological Group