Given the following notation, which design is illustrated?
$$\begin{array} { l l }
\mathrm { X } _ { 1 } & \mathrm { O } \
\mathrm { X } _ { 2 } & \mathrm { O }
\end{array}$$
A) One-group posttest-only design
B) One group pretest-posttest design
C) Posttest only control group design
D) Posttest-only design with nonequivalent groups

Question

Given the following notation, which design is illustrated?
$$\begin{array} { l l } 
\mathrm { X } _ { 1 } & \mathrm { O } \
\mathrm { X } _ { 2 } & \mathrm { O }
\end{array}$$
A) One-group posttest-only design
B) One group pretest-posttest design
C) Posttest only control group design
D) Posttest-only design with nonequivalent groups

Quizplus · Accepted Answer

This design shows two groups (X1 and X2) both receiving a posttest (O) but without random assignment, indicating nonequivalent groups.

Given the Following Notation, Which Design Is Illustrated X1OX2O\begin{array} { l l } \mathrm { X } _ { 1 } & \mathrm { O } \\\mathrm { X } _ { 2 } & \mathrm { O }\end{array}X1​X2​​OO​

Given the Following Notation, Which Design Is Illustrated $\begin{array} { l l } \mathrm { X } _ { 1 } & \mathrm { O } \\\mathrm { X } _ { 2 } & \mathrm { O }\end{array}$