Regularity effect

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The psycholinguistic regularity effect says that written words are accepted faster in tests if they are written according to the orthographic rules. This supports the assumption that orthographic regularities of the orthography are represented in an internal lexicon ( mental lexicon ). These regularities influence the lexical decision below the threshold of consciousness.

In addition, the regularity effect is proof of the dual route model: the reader prefers the visual route via GPC (grapheme-to-phoneme correspondence) to the more time-consuming lexical route if fluent reading is possible, i.e. there are hardly any irregular words in the text.


  • the engl. Words "wave" and "rat" are regular, while "two" and "have" are irregular in character-tone correspondence.


  • Marshall and Newcombe: Patterns of paralexia , 1973
  • Butterworth: Language Production , 1980
  • Helmut Glück (Ed.): Metzler-Lexikon Sprach , 2000

See also