THREE SEPARATE REPORTS ARE INCLUDED. THE FIRST SUMMARIZES EXISTING DATA REGARDING THE YOUTH SERVICE BUREAUS (YSB) OPERATING IN NEARLY 20 CITIES OR COUNTIES ACROSS THE STATE. THE EVALUATION METHODOLOGY IS REVIEWED AND BACKGROUND DATA ON THE PARTICIPATING YOUTHS ARE PRESENTED. THE PROGRAMS AND SERVICES AVAILABLE TO THE YOUTHS ARE DISCUSSED AND THE IMPACT OF THE YSB'S IS EXAMINED. THE SECOND REPORT, AN INDEPTH EVALUATION OF SELECTED YSB'S, PRESENTS EVALUATION GOALS AND METHODOLOGY. BACKGROUND DATA ON THE SELECTED BUREAUS ARE PROVIDED, INCLUDING BUREAU GOALS, PROGRAM MANAGEMENT, AND COMMUNITY INTERFACE. DESCRIPTIONS OF THE PARTICIPATING YOUTHS CONTAIN DATA REGARDING RACE, AGE, SEX, AND DELINQUENT STATUS. THE SERVICE DELIVERY SYSTEM UTILIZED BY THE BUREAUS IS EVALUATED; THE REFERRAL PROCESS, RATINGS OF THE PROGRAM COMPONENTS, THE AMOUNT OF STRUCTURE AND LENGTH OF PARTICIPATION, AND PARENTAL INVOLVEMENT ARE EXAMINED. THE SERVICES THEMSELVES ARE ALSO EVALUATED, INCLUDING ACCOUNTABILITY AND RESTITUTION PROGRAMS, COUNSELING SERVICES, AND RESOURCE CONSOLIDATION PROGRAMS. FINALLY, THE YSB PROGRAM RESULTS ARE DISCUSSED. THE THIRD REPORT FOCUSES ON POLICY ANALYSIS AND ITS APPLICATION TO THE EVALUATION OF YSB PROGRAMS. THE REPORT IS DIVIDED INTO TWO SECTIONS: THE ANALYSIS ITSELF INCLUDES TABULAR SUMMARIES WHICH ARE PRESENTED AND DISCUSSED; THEN VARIOUS RECOMMENDATIONS GENERATED BY THE ANALYSIS ARE PROVIDED REGARDING MAJOR TYPES OF PROGRAM ALTERNATIVES. THREE APPENDIXES CONTAIN INFORMATION THAT CORRESPONDS TO EACH OF THE THREE REPORTS, INCLUDING DATA TRANSFORMATIONS, A VARIETY OF SUMMARIES, AN ANNOTATED BIBLIOGRAPHY, A GLOSSARY, AN OFFENSE CODE, AND A SERIOUSNESS SCALE. SUBSTANTIAL SELECTIONS OF TABULAR DATA ARE PROVIDED THROUGHOUT THE VOLUME. FOR THE EXECUTIVE SUMMARY TO THIS REPORT, SEE NCJ-46944. FOR THE PHASE ONE FINAL REPORT, SEE NCJ-41634. (KBL)