Typology is a composite measure that involves the classification of observations in terms of their attributes on multiple variables.[1] Such classification is usually done on a nominal scale.[1] Typologies are used in both qualitative and quantitative research.
An example of a typology would be classification such as by age and health: young-healthy, young-sick, old-healthy, old-sick.
Typological theorizing is the development of theories about configurations of variables that constitute theoretical types.[2] According to Andrew Bennett and Alexander George, typological theories are useful "to address complex phenomena without oversimplifying, clarify similarities and differences among cases to facilitate comparisons, provide a comprehensive inventory of all possible kinds of cases, incorporate interactions effects, and draw attention to... kinds of cases that have not occurred."[2]
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