A Restaurant Is Interested in Examining the Effect of Increasing

Multiple Choice

A restaurant is interested in examining the effect of increasing the price of hamburgers on its sales. During the first six months of the year, it measures the number of hamburgers sold each day. It then increases the price and records the number of hamburgers sold each day for the last six months of the year. This quasi-experimental design would be an example of a(n) :

A) nonequivalent control group pretest-posttest design.
B) interrupted time series design.
C) control series design.
D) nonequivalent control group design.