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Pigeonholing is a process that attempts to classify disparate entities into a limited number of categories (usually, mutually exclusive ones).
When considering various classification schemes, one must be aware of the following pitfalls:
- Using categories that are poorly defined (e.g., because they are subjective).
- Entities may be suited to more than one category. Example: rhubarb is both "poisonous" and "edible".
- Entities may not fit into any available category. Example: asking somebody from Washington, D.C. which state they live in.
- Entities may change over time, so they no longer fit the category in which they have been placed. Example: certain species of fish may change from male to female during their life.
- Attempting to discretize properties that would be better viewed as a continuum must be taken with caution. Example: while sorting people into "introverted" and "extroverted" one must keep in mind that most people exhibit both traits to some degree.
An example of pigeonholing in everyday conversation occurs when a person making an apolitical or barely political comment is assumed to have a certain political belief, without ascertaining their political stance. Such an erroneous designation is especially erroneous when assigning it to people who live in places where the left–right dichotomy is not present.
- "Pigeonhole, v.". Oxford English Dictionary (3rd ed.). March 2006. Archived from the original on 16 December 2019. Retrieved 31 May 2011.
Online version March 2011. An entry for this word was first included in New English Dictionary, 1906.
- Lipset, Seymour Martin; Basu, Asoke (1976). "The Roles of the Intellectual and Political Roles". In Gella, Aleksander (ed.). The Intelligentsia and the Intellectuals: Theory, Method and Case Study. Beverly Hills, California: Sage Publications. pp. 111–150. ISBN 0-8039-9958-5.