For the data in the source table, what is the effect size for this one-way within-groups ANOVA? $$\begin{array} { | l c | c | c | c | }
\hline \text { Source } & S S & d f & M S & F \
\hline \text { Between-groups } & 10.1 & 2 & 5.05 & 4.751 \
\hline \text { Subjects } & 7.4 & 4 & 1.85 & 1.740 \
\hline \text { Within-groups } & 8.5 & 8 & 1.063 & \
\hline \text { Total } & 26 & 14 & & \
\hline
\end{array}$$
A) 0.47
B) 0.54
C) 0.58
D) 1.84

Question

For the data in the source table, what is the effect size for this one-way within-groups ANOVA? $$\begin{array} { | l c | c | c | c | } 
\hline \text { Source } & S S & d f & M S & F \
\hline \text { Between-groups } & 10.1 & 2 & 5.05 & 4.751 \
\hline \text { Subjects } & 7.4 & 4 & 1.85 & 1.740 \
\hline \text { Within-groups } & 8.5 & 8 & 1.063 & \
\hline \text { Total } & 26 & 14 & & \
\hline
\end{array}$$
A) 0.47
B) 0.54
C) 0.58
D) 1.84

Quizplus · Accepted Answer

The effect size for a one-way within-groups ANOVA is calculated by dividing the between-groups mean square by the within-groups mean square. In this case, the effect size is 5.05 / 1.063 = 0.54.

For the Data in the Source Table, What Is the Effect