A study was done in Pueblo, CO, to compare the pattern of heart attack rates across the year before and the year after a public smoking ban had been enacted. The researchers who conducted this study used a(n) ______ design.
A) equivalent time series
B) interrupted time series
C) one-group posttest only
D) nonequivalent control group

Question

Quizplus · Accepted Answer

The interrupted time series design is appropriate for this study because the researchers are comparing the heart attack rates before and after a specific event - the enactment of a public smoking ban. The other designs listed do not account for this specific event and would not be appropriate for this study.

A Study Was Done in Pueblo, CO, to Compare the Pattern