1. Highlight the two sessions in the T.O.V.A. main window.
1. Click the first session to highlight it.
2. Hold the ‘Ctrl‘ key (‘Command‘ key on Mac) and click the second session to highlight it as well.
2. Click the ‘Compare’ button.

You can compare up to four sessions at a time. It is a very useful way to show patients or parents the main areas of attention measured graphically and over time.