A control series design is a(n)_____ design with a comparison group.

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An interrupted time series design involves collecting data over time to detect whether an intervention has had an effect significantly different from the trend before the intervention. Adding a comparison group that does not receive the intervention enhances the design by allowing for comparisons between those affected by the intervention and those who are not, thus controlling for external factors that might also influence the outcome.

A Control Series Design Is A(n)_____ Design with a Comparison