The national speed limit in the United States was reduced to 55 mph in 1974. Proponents and critics of this legislation have looked at the number of traffic fatalities on major U.S. highways for the years preceding and following this legislation. The examination of traffic fatalities on various highways illustrates the use of C. the multiple time-series design 4. Only quasi-experimental designs should be used in evaluation research. B. false 5.
Applied research is a form of evaluation research.