THIS VOLUME IS ONE OF NINE IN A SERIES OF WORKING PAPERS OF THE NATIONAL TASK FORCE TO DEVELOP STANDARDS AND GOALS FOR JUVENILE JUSTICE AND DELINQUENCY PREVENTION. DELINQUENCY THEORIES ANALYZED INCLUDE FIVE SUBJECT AREAS: THEORIES WHICH LINK DELINQUENCY TO A BREAKDOWN IN SOCIAL CONTROL, THEORIES PROPOSING THAT DELINQUENCY ORIGINATES BECAUSE OF THE RISE OF DELINQUENT SUBCULTURES, PSYCHOLOGICAL THEORIES, BIOLOGICAL THEORIES, AND LABELLING THEORY WHICH IS CONCERNED WITH THE NEGATIVE EFFECTS OF IDENTIFYING A JUVENILE AS DELINQUENT. AN APPENDIX GIVES A COMPLETE LISTING OF COMPARATIVE ANALYSES PREPARED FOR THE TASK FORCE. FOR OTHER VOLUMES IN THIS SERIES SEE NCJ-40289, 40290, 40051, 40192, 40181, 40283, NCJ-40183 AND 40299. (AUTHOR ABSTRACT MODIFIED)