. A business records the number of times employees visit a gym for 12 months before and 12 months after the company negotiates a new health insurance policy that fully pays for gym memberships. The data are compared to the number of times employees at another similar business that did not negotiate this new health insurance policy visit a gym during the same period of time. What type of quasi-experimental research design is described in this example?
A. interrupted time series
B. basic time series
C. control time-series design
D. nonequivalent control group pretest–posttest design
Ans: C
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