The National Science Foundation Has a Policy Of, Each Year

Multiple Choice

The National Science Foundation has a policy of, each year, selecting the best young scientists and giving them a 5 year grant to allow them to work on their program of research. These scientists are selected based on the number of publications they have produced in the prior year. All scientists who have published 4 or more articles in the prior years receive these grants. The National Science Foundation wants to find out if this program is effective. The research design that could be used to best test the effect of this program is

A) posttest-only design.
B) regression-discontinuity design.
C) one group pretest-posttest design.
D) pretest-posttest design.