The first chapter introduces theoretical and methodological aspects of criminal justice research, outlines the steps involved in the research process, and examines the selection and specification of a research problem. Additional chapters focus on ethics in criminal justice research, the experimental model and other variations used in research design, alternative data-collection strategies, and the Uniform Crime Reports. Further chapters explain survey research, including types of sampling, questionnaire construction, mail surveys, advantages and disadvantages of self-report surveys, interview procedures, and telephone surveys. Other chapters discuss participant observation and case studies; unobtrusive measures, secondary analysis, and uses of official statistics; validity, reliability, and triangulated strategies; scaling and index construction; data analysis; policy analysis; evaluation research; and proposal writing. Case examples, figures, tables, chapter review questions, glossary, index, appended additional guidelines and answers to questions in a quiz in Chapter 12, and chapter reference lists