What does the following figure represent?
$\begin{array}{lll}
\mathrm{R} & \mathrm{X} & \mathrm{O}_{1} \
\mathrm{R} & & \mathrm{O}_{1}
\end{array}$

Question

Quizplus · Accepted Answer

A two-group posttest-only design is a quasi-experimental design that compares two groups, one of which receives the treatment and the other of which does not. The groups are not randomly assigned, so there may be confounding variables that could affect the results.

What Does the Following Figure Represent RXO1RO1\begin{array}{lll}\mathrm{R} & \mathrm{X} & \mathrm{O}_{1} \\\mathrm{R} & & \mathrm{O}_{1}\end{array}RR​X​O1​O1​​

What Does the Following Figure Represent $\begin{array}{lll}\mathrm{R} & \mathrm{X} & \mathrm{O}_{1} \\\mathrm{R} & & \mathrm{O}_{1}\end{array}$