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

question 28

Multiple Choice

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

• A) True experimental design
• B) Quasi experimental design
• C) Two-group posttest only design
• D) Solomon four-group design

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Definitions:

Metals

Metals are elements that are good conductors of electric current and heat, have a shiny appearance, and are malleable and ductile.

Mg

Mg is the chemical symbol for magnesium, a lightweight, silvery-white metallic element that is essential for human biology.

K

The symbol for potassium, an essential mineral and electrolyte in the human body, or alternatively, the symbol for the kelvin, a unit of temperature.

Na

The chemical symbol for Sodium, an essential element that plays a key role in nerve function and blood pressure regulation.