Type

Type can mean a number of things of relevance to psychologists:


 * Type theories of personality


 * Biological type, which fixes a scientific name to a taxon

Type in mathematics and statistics can also refer to:


 * Type (metaphysics), in metaphysics and ontology


 * Equivalence class, in set theory and musical set theory


 * Type (model theory), in mathematics


 * Arity of an operation, in mathematics


 * Signature (mathematical logic)


 * Theory of Types, a means by Bertrand Russell to further discuss the mapping of mathematics to logic in philosophical logic


 * Data type, a collection of values used for computation


 * A proposition or a set in the Intuitionistic Type Theory