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Personality: Self concept · Personality testing · Theories · Mind-body problem
Orderliness is a personality trait, associated with other qualities such as cleanliness and diligence—and the desire for order and symmetry, and is generally considered to be a desirable quality.
In psychology, an excessive desire for orderliness can be associated with obsessive–compulsive disorder and the term anal retentive, (or simply anal)—from Freudian psychoanalysis—is used conversationally to describe a person with such attention to orderliness and detail that it becomes close to a mental disorder.
Thomas J. Bouchard, Jr. explored the heritability of this traitas part of the Minnesota Twins Project.