SK inmates different from boot camp inmates in age, offense, and history of drug abuse. They were older, more likely to have been convicted of a violent offense, and less likely to report a past history of drug abuse. In comparison with dropouts, inmates who completed the shock incarceration program scored lower on the social maladjustment, value orientation, autism, alienation, and manifest aggression scales. Boot camp and SK inmates differed significantly on the social maladjustment, value orientation, alienation, and manifest aggression scales, but not on the Asocial Index, considered to be the most important measure of deviance. Boot camp inmates' attitudes became more prosocial during their incarceration. SK inmates also improved on some subscales. 5 tables and 16 references