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The spelling with A belongs to Jung himself: http://blogs.scientificamerican.com/beautiful-minds/the-difference-between-extraversion-and-extroversion/ http://bl

• djaychela 11y ago
  Interesting...(thanks for the link) But I would have expected them to be consistent within the article? It's done both ways in there.
  • desdiv 11y ago
    It is consistent. The word appears six times in total, and the 5 times the author used it were all consistent: >extraversion >extraverts >Quoting Hans Eysenck: extroverts >extraverts >extraverts >extraversion You're not supposed to correct someone's different spelling when quoting them.