Comprehensive research and a highly-trained workforce are essential for the improvement of health and health care both nationally and internationally. During the past 40 years the National Research Services Award (NRSA) Program has played a large role in training the workforce responsible for dramatic advances in the understanding of various…

Methods are described for constructing Resolution IV screening designs that are robust to linear, quadratic, and cubic trend effects and will also keep the number of factor-level changes for some variables at a minimum. Complete designs, capable of screening up to 32 variables, are provided along with appropriate methods of analysis. (Author)

This commemorative book contains 10 papers that provide a selective sample of behavioral and social science research accomplishments and trends over a 50-year period, and comparisons are made with research presented in the 1933 report, "Recent Social Trends in the United States" (The Ogburn Report). Four chapters in part 1,…