Answer
$F_0=3.23$ with a P-value $\gtα$. Do not reject the null hypothesis.
There is not enough evidence to conclude that the mean reaction times for the three stimuli are not the same.
Work Step by Step
In MINITAB, enter the Simple values in C1, the Go/No Go values in C2 and in C3 enter the Choice values.
Select Stat -> ANOVA -> One-Way
Select Response data are in a separate column for each factor level.
In Responses enter C1 C2 C3
Click Ok.
$F_0=3.23$ with a P-value $=0.0.068\gtα=0.05$
