Carefully review the research matrix presented below.If this is a within subjects design, how many total participants will be used in the experiment?
$$\begin{array} { | l | l | l | }
\hline \text { No Caffeine } & 8 \text { Ouncess } & 24 \text { Ouncess } \
\hline 10 \text { participants } & 10 \text { participants } & 10 \text { participants } \
\hline
\end{array}$$

Question

Carefully review the research matrix presented below.If this is a within subjects design, how many total participants will be used in the experiment?
$$\begin{array} { | l | l | l | } 
\hline \text { No Caffeine } & 8 \text { Ouncess } & 24 \text { Ouncess } \
\hline 10 \text { participants } & 10 \text { participants } & 10 \text { participants } \
\hline
\end{array}$$

Quizplus · Accepted Answer

In a within-subjects design, the same participants are used across all conditions. Therefore, the total number of participants is 10, as each of the 10 participants is exposed to all three conditions (No Caffeine, 8 Ounces, 24 Ounces).

Carefully Review the Research Matrix Presented Below A)10 B)20 C)30 D)Cannot Determine

Carefully Review the Research Matrix Presented Below A)10
B)20
C)30
D)Cannot Determine