T.O.V.A.

Test of Variables of Attention

The test contains a practice session and a main test session. During the practice session, you will have the opportunity to familiarize yourself with the task and the stimuli.

Build 2025-07-15.3

Instructions

Your task is to decide if each stimulus is a target or non-target.

Press the space bar as quickly as you can whenever you see a target (top square).

Do nothing when you see a non-target (bottom square).

The task lasts approximately 23 minutes, so you must concentrate to perform well. First you will have 3 minutes to practice.

🎯 Target Stimulus Example

This is a Target stimulus.
When you see the small black square at the TOP of the white background,
press the SPACEBAR as quickly as possible.

❌ Non-Target Stimulus Example

This is a Non-target stimulus.
When you see the small black square at the BOTTOM of the white background,
DO NOT PRESS ANY KEY - simply wait for the next stimulus.

ERROR

Practice Complete

You have completed practice. Before continuing to main task, you may adjust screen brightness. The task will now begin.

Practice Finished

You have successfully completed the practice session.

Press SPACEBAR to begin TOVA test.

Thank you!

The test is complete.

Subject Information