For over 100 years, the evolution of modern survey methodology--using the theory of representative sampling to make inferences from a part of the population to the whole--has been paralleled by a drive toward automation, harnessing technology and computerization to make parts of the survey process easier, faster, and better. The availability of portable computers in the late 1980s ushered in computer-assisted personal interviewing (CAPl), in which interviewers administer a survey instrument to respondents using a computerized version of the questionnaire on a portable laptop computer. Computer assisted interviewing (CAI) methods have proven to be extremely useful and beneficial in survey administration. However, the practical problems encountered in documentation and testing CAI instruments suggest that this is an opportune time to reexamine not only the process of developing CAI instruments but also the future directions of survey automation writ large.

The Committee on National Statistics (CNSTAT) convened a workshop on November 4-5, 1999, to identify new directions for health statistics and the implications for health data of changes in the health arena faced by DHHS; state and local health departments; the consumers, developers, and providers of health care products and services; and other health policy makers. Changes in our understanding of health, in health care (managed care, Medicaid, Medicare), in welfare reform, in federal-state relations, in the availability of administrative data, in advanced genetic data, in information technology, in confidentiality issues, and in data integration are examples of recent developments that may play a significant role for DHHS in making future policy decisions.

The Bureau of Justice Statistics' (BJS) National Crime Victimization Survey (NCVS) measures the rates at which Americans are victims of crimes, including rape and sexual assault, but there is concern that rape and sexual assault are undercounted on this survey. BJS asked the National Research Council to investigate this issue and recommend best practices for measuring rape and sexual assault on their household surveys. Estimating the Incidence of Rape and Sexual Assault concludes that it is likely that the NCVS is undercounting rape and sexual assault. The most accurate counts of rape and sexual assault cannot be achieved without measuring them separately from other victimizations, the report says. It recommends that BJS develop a separate survey for measuring rape and sexual assault. The new survey should more precisely define ambiguous words such as "rape," give more privacy to respondents, and take other steps that would improve the accuracy of responses. Estimating the Incidence of Rape and Sexual Assault takes a fresh look at the problem of measuring incidents of rape and sexual assault from the criminal justice perspective. This report examines issues such as the legal definitions in use by the states for these crimes, best methods for representing the definitions in survey instruments so that their meaning is clear to respondents, and best methods for obtaining as complete reporting as possible of these crimes in surveys, including methods whereby respondents may report anonymously. Rape and sexual assault are among the most injurious crimes a person can inflict on another. The effects are devastating, extending beyond the initial victimization to consequences such as unwanted pregnancy, sexually transmitted infections, sleep and eating disorders, and other emotional and physical problems. Understanding the frequency and context under which rape and sexual assault are committed is vital in directing resources for law enforcement and support for victims. These data can influence public health and mental health policies and help identify interventions that will reduce the risk of future attacks. Sadly, accurate information about the extent of sexual assault and rape is difficult to obtain because most of these crimes go unreported to police. Estimating the Incidence of Rape and Sexual Assault focuses on methodology and vehicles used to measure rape and sexual assaults, reviews potential sources of error within the NCVS survey, and assesses the training and monitoring of interviewers in an effort to improve reporting of these crimes. Table of Contents Front Matter Summary 1 Introduction 2 Legal Definitions and Context 3 Data from Law Enforcement Agencies 4 National Crime Victimization Survey 5 Selected Other Surveys on Rape and Sexual Assault 6 Comparison of Rape and Sexual Assault Across Data Sources 7 Potential Sources of Error in the NCVS: Sampling, Frame, and Processing 8 Potential Sources of Error: Nonresponse, Specification, and Measurement 9 Synopsis of Potential Errors in the National Crime Victimization Survey 10 New Directions for Measuring Rape and Sexual Assault References Appendix A: Need for the Study Appendix B: Workshop and Public Meetings: Agendas and Participants Appendix C: Links to Questionnaires of the National Crime Victimization Survey Appendix D: Selected Surveys Measuring Rape: An Overview Appendix E: Statistical Rationale Behind Some Initial Findings on the Relative Statistical Plausibility of a Multiple-Frame Approach to Estimating the Victimization Rate of Rape and Sexual Assault Appendix F: Biographical Sketches of Panel Members and Staff Committee on National Statistics

Respirators are used in a variety of workplaces including emergency response, mining operations, construction, manufacturing, and hospitals. In 2001, National Institute of Occupational Safety and Health (NIOSH) and Bureau of Labor Statistics commissioned a nationwide survey of respirator use in the workplace, the results of which were published in the 2003 report Respirator Usage in Private Sector Firms. The purpose of the survey was to evaluate respirator use and practices, including training practices and the value of respirator manufacturer's instruction, in order to help guide NIOSH respirator certification and research. This National Research Council (NRC) report evaluates the survey in terms of several measures such as the adequacy and appropriateness of the survey instrument, the survey methodology, data analysis, and the conclusions drawn from the data. The NRC report finds that the survey was an important first step in collecting respiratory protection data from a probability sample but that several improvements could be made in survey design and analysis. Based on the review of the survey, the NRC report concludes that data on respirator use would be best provided by employers and employees in the context of the work setting. Table of Contents Front Matter Summary 1 A Significant Undertaking 2 A Program in Transformation 3 The Survey of Respirator Use and Practices: A Learning Experience 4 Lessons Learned 5 Planning for the Future Appendix A Statement of Task Appendix B Biographical Sketches of Committee Members and Staff Appendix C Meeting Agenda Appendix D Acronyms and Abbreviations Appendix E Interagency Agreement between CDC/NIOSH and BLS