Simulated addict urine samples containing drugs were sent to collaborating hospital administrators and officials of methadone centers, who then forwarded the samples to their supporting laboratories as though they were ordinary specimens from patient...

The authors explore the utility of applying social survey data (a) to evaluate the impact of existing health programs and (b) to rank-order priorities concerning future health care policies. Based on national survey data from 1963, 1970, and 1976, th...