Using subjects' own reports of serious suicidal thought, a group of American university students were divided into two groups in terms of contemplated suicide. The group admitting serious suicidal thoughts (N = 111) differed significantly from the nonsuicidal group (N = 356) on 7 of the 9 personality dimensions covered by Lanyon's Psychological Screening Inventory and Eysenck's PEN Questionnaire. The suicidal group on the whole presents a much more disturbed and pathological profile than the nonsuicidal group.
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