Choose the session type by tapping the sentence, “Choose a session type”. There are four session types: Mass Trial, Distractor Trial, Expanded Trial, and Random Rotation (Figure 12.2).

Figure 12.2 –mTrial Setup Screen with Session Types Menu

If you choose Mass Trial as your session type, you will not be able to select additional targets on this screen, but rather can choose them in the next screen. If you choose Distractor Trial, Expanded Trial, or Random Rotation, as your session type you can choose up to three acquisition targets (ATs) on this screen only.