The Simplest Experimental Design Has How Many Independent Variables, with How

Short Answer

The simplest experimental design has how many independent variables, with how many levels, and how many dependent variables?

$\begin{array}{c}\begin{array}{c}\\a.\\b.\\c.\\d.\end{array}\begin{array}{c}\text { IVs } \\1 \\2 \\1\\2\end{array}\begin{array}{c}\text { Levels }\\1 \\2 \\2 \\1\end{array}\begin{array}{c}\text { DV } \\1 \\2 \\1 \\2\end{array}\end{array}$