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February 1984

Cautions in the Diagnosis of Borderline Schizophrenia-Reply

Author Affiliations

McLean Hospital 115 Mill St Belmont, MA 02178

Arch Gen Psychiatry. 1984;41(2):212. doi:10.1001/archpsyc.1984.01790130108018

In Reply.—  Khouri and Rosenthal made three major points: that we misrepresented the reliability study in their results, that we misused t-tests, and that our results contain labeling dangers.With respect to the first issue, following is a quote from their article: "The inter-rater agreement correlation based on the total scores for the 31 cases was .83 (P<.001) and is increased to .90 when the Spearman-Brown correction is applied, although (Table II) agreement between the raters was low on the presence of some individual symptoms (altered body image, ideas of reference, etc.)."1 Note that the figure of .83 (which, we agree, is very fine) was given for total score, not for individual items. It is the latter score that we cited as being low and with which their original article agreed. We were impressed that the authors themselves drew attention to this fact, which might otherwise have been obscured. In fact, of the 42

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