EACH RESEARCH STUDY IS SUMMARIZED WITH RESPECT TO ITS PURPOSE, HYPOTHESES, METHOD OF INVESTIGATION, OBTAINED RESULTS, INTERPRETATION OF THE FINDINGS, AND CONCLUSIONS. THE STUDIES REPRESENT A WIDE VARIETY OF TOPICS BUT MOST HAVE TO DO WITH THE SUBJECT OF DELINQUENCY IN SOME RESPECT. THE STUDIES ARE ARRANGED ALPHABETICALLY BY THE AUTHOR'S LAST NAME. REPRESENTATIVE STUDY TOPICS INCLUDE PATTERNS OF INTERPERSONAL COMMUNICATION AMONG INSTITUTIONALIZED YOUTHS, EVALUATIONS OF STATE DELINQUENCY TREATMENT PROGRAMS, THE PERCEPTIONS OF YOUTHS ON RECIDIVISM, PERSONALITY FACTORS OF DRUG USERS AND ABUSED CHILDREN, AND TRAITS OF DELINQUENT YOUTHS. (AUTHOR ABSTRACT MODIFIED)