THE CORNELL INDICES AND THE CORNELL WORD FORM: 2. RESULTS

Abstract

The Cornell Selectee IndexThe purpose of the Cornell Selectee Index was to furnish a quick, reliable means of detecting, a t induction, individuals who are likely to develop psychoneuroses and psychosomatic disturbances.The Cornell Selectee Index was first given to lo00 persons falling into the following four categories : those accepted by neuropsychiatric interview a t induction in New York (450) and in Boston (450) ; those rejected after neuropsychiatric interview a t induction in New York (50) and in Boston (50).TABLE 4 presents the three correlations determining reliability for three cut-off points.The 1000 cases gathered a t induction stations were used for these correlations.The table reveals that all tetrachoric correlations7 are significantly high, indicating the reliability of the Cornell Selectee Index.The usual technique of splitting a questionnaire into two forms (odd-even) was the method used in ascertaining reliability measures.TABLE 4 TETRACHORIC RELIABILITY COEFFICIENTS* General Selectee Population (N-1000) rt Cut-off 1 used * Corrrlations were computed by using the split-half (oddwen) technique for reliability.TABLE 5 presents a four-fold contingency table, the results of the Cornell Selectee Index, as against the decision of the induction neuropsychiatrist.It will be seen that, of 100 selectees rejected and 900 accepted for military service after a brief psychiatric interview, the Cor-(579)

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