An introduction describes the study and discusses data collection procedures, file structure, processing information, and codebook information. The study's five data files came from court records, conference observations, and interviews with defendants, victims, and police. Information on cases covered the type of case, number of charges, sentence type, sentence severity, seriousness of offense, date of arrest, date of arraignment, date of conference, prior incarcerations, and defendant background information. and defendant background information. Knowledge and attitudes of the conference participants are also covered in the data files. Observers of conferences recorded both descriptive data and subjective ratings.