In Campbell and Ross's Analysis of the Effect of the Connecticut

Multiple Choice

In Campbell and Ross's analysis of the effect of the Connecticut crackdown on speeding, they were able to eliminate the threat of history by using a __________ design, which showed that the same decline in traffic fatalities did not occur in four neighboring states.

A) separate-sample pretest-posttest
B) nonequivalent control group
C) interrupted time-series
D) multiple time-series