LEAVENWORTH FEDERAL PENITENTIARY MENTAL HEALTH SERVICES ACCEPTS MANY INMATES INTO ITS THERAPEUTIC PROGRAM EACH YEAR. THIS STUDY PROPOSES TO OBTAIN OBJECTIVE MEASURES OF SELF-CONCEPT FOR SOME INMATES AT LEAVENWORTH, DETERMINE THE DIFFERENCE BETWEEN SCORES OF THE THERAPEUTIC TREATMENT GROUPS ON THE PERSONAL ORIENTATION INVENTORY AS COMPARED WITH SCORES OF THE NONTREATMENT GROUP, AND DETERMINE THE DIFFERENCES IN SCORES ON THE INVENTORY ACROSS ALL THERAPEUTIC TREATMENT GROUPS. A STUDY SUCH AS THE ONE PROPOSED HEREIN SHOULD PROVE EXTREMELY USEFUL TO CORRECTIONS ADMINISTRATORS BECAUSE THE EXISTING LITERATURE, IN DESCRIBING THE EFFECTS OF GROUP THERAPY, IS OFTEN CONTRADICTORY AND BASED UPON UNCONTROLLED OR UNRECOGNIZED VARIABLES. THE TEST INSTRUMENT WHICH HAS BEEN CHOSEN, THE PERSONAL ORIENTATION INVENTORY, HAS PROVEN TO BE AN EFFECTIVE MEANS TO ASSESS VALUES, ATTITUDES, AND BEHAVIOR RELATIVE TO SELF ACTUALIZATION AND CONCOMITANT POSITIVE MENTAL HEALTH. THE INVENTORY CONSISTS OF 150 TWO-CHOICE PAIRED OPPOSITE STATEMENTS OF VALUE AND BEHAVIOR JUDGMENTS. THE GENERAL METHOD OF THE STUDY WILL INCLUDE SELECTING 120 INMATES, RANDOMLY ASSIGNING INMATES TO DIFFERENT TREATMENT AND NONTREATMENT CATEGORIES, CONDUCTING 90-MINUTE TREATMENT SESSIONS WEEKLY FOR 12 WEEKS, ADMINISTERING THE INVENTORY TO ALL SUBJECTS, AND EVALUATING OBTAINED DATA. NUMEROUS HYPOTHESIS WILL BE TESTED IN THE STUDY; FOLLOWING EACH HYPOTHESES A PRESENTATION OF THE STATISTICAL PROCEDURES THAT WILL BE EMPLOYED TO TEST THE HYPOTHESIS IS PROVIDED. FOR EXAMPLE, THE FIRST HYPOTHESIS IS THAT THERE WILL BE NO SIGNIFICANT DIFFERENCE IN THE MEAN SCORES OBTAINED ON THE INVENTORY BY THOSE SUBJECTS RECEIVING THERAPY AND THOSE PARTICIPATING IN TESTING ONLY. ONE-WAY ANALYSIS OF VARIANCE PROCEDURE WILL BE UTILIZED, AND AN OMEGA SQUARE WILL BE RUN TO ASSESS THE MAGNITUDE OF THE EXPERIMENTAL EFFECT. A TABLE OF SCALES AND RELIABILITIES AND APPROXIMATELY 70 REFERENCES ARE INCLUDED. APPENDIXES DESCRIBE TREATMENT SESSIONS AND PROVIDE A CONSENT FORM SAMPLE.