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A stratified random sample is chosen by taking separate (simple or systematic) random samples from every stratum, often in such a way that the sizes of the separate samples vary with the importance of the different strata.
Stigma
A mark of disgrace associated with a particular circumstance, quality, or person, leading to discrimination or exclusion.
Racial Categories
Classifications of humans into groups based on physical traits, ancestry, genetics, or social relations, often constructed socially and varying significantly across different cultures and historical periods.
Fluidity
The quality of being adaptable or variable, often used in the context of gender, identity, or social structures.
Self-identifying
The process by which an individual defines their own identity or affiliations without necessarily conforming to externally imposed categories.
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