Four Different Studies A, B, C, and D) Were Conducted

Multiple Choice

Four different studies A, B, C, and D) were conducted and a summary of the results is given in the following table.
$$\begin{array} { c c c c c } \text { Study } & d f & t \text { value } & p \text { value } & \text { Effect size } \\\hline \text { A } & 8 & 2.306 & 0.05 & 1.8 \\\text { B } & 12 & 1.356 & 0.20 & 0.3 \\\text { C } & 20 & 2.528 & 0.02 & 0.6 \\\text { D } & 30 & 1.697 & 0.10 & 0.6\end{array}$$
-Which of the studies A, B, C, or D) had the most statistically significant difference between the two groups?

A) Study B
B) Study D
C) Study A
D) Study C