Examlex
What are the common properties shared by most active galaxies and quasars? How do theseproperties lead to an understanding of the central engine?
Representative Sample
A subset of a population that accurately reflects the members of the entire population.
Diverse Population
A group of individuals that vary in characteristics such as race, ethnicity, socioeconomic status, and cultural background.
Urban and Rural
Terms used to describe geographical areas, with "urban" referring to areas that are densely populated and "rural" referring to areas that are less populated and often characterized by farming or agriculture.
Case Study Method
A research strategy that involves the in-depth study of one or more cases within their real-life context.
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