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

Multiple Choice

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) small
B) medium
C) large
D) very large