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Some 1,500 married or divorced men and women were interviewed and administered the Eysenck Personality Questionnaire. Comparisons between the married and the divorced suggested that divorces are more frequent among the psychiatrically abnormal (high Psychoticism, high Neuroticism), particularly among the women. Extraversion was also related to divorce, but only among the men. Within-group correlations largely confirmed these between-group comparisons. Personality appears to be one of many factors involved in marital satisfaction and divorce.
H. J. Eysenck (Mon,) studied this question.