What Does the Following Figure Represent A) Simple Interrupted Time-Series Design
B) Interrupted Time Series with \mathrm{O}_{2}

question 20

Multiple Choice

What does the following figure represent?
$\begin{array}{llllllll}\mathrm{R} & \mathrm{O}_{1} & \mathrm{O}_{2} & \mathrm{O}_{3} & \mathrm{X} & \mathrm{O}_{4} & \mathrm{O}_{5} & \mathrm{O}_{6} \\\mathrm{R} & \mathrm{O}_{1} & \mathrm{O}_{2} & \mathrm{O}_{3} & & \mathrm{O}_{4} & \mathrm{O}_{5} & \mathrm{O}_{6}\end{array}$

• A) Simple interrupted time-series design
• B) Interrupted time series with nonequivalent comparison group
• C) Simple interrupted time series with equivalent comparison group
• D) Factorial design

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