The Adjustment of Drug Addicts as Measured by the Sentence Completion Test

The Rotter Incomplete Sentences Blank was administered to fifty out-patients at a rehabilitation center for narcotic addicts. There were twenty male heroin users, twenty male pill users, and ten female heroin users. Interscorer, intrascorer, and split-half reliabilities were all high. It was found that a cutting score of adjustment of 135 correctly identified 80 per cent of the male heroin users, 90 per cent of the male pill users, and 100 per cent of the female heroin users.