Instructions

On the right side you can see an example of the test. A central reference arrangement is sorrounded by five different arrangements, the goal is to select the two outer arrangements in which the central patch is the most similar and the most different from the central one in the reference arrangement.

First, the user must select the closest one, and subsenquently the farthest one. To do so, it is sufficient to click on the desired outer square. To cancel a selection, simply click on it again. In order to help the user, a prompt is shown in the right lower corner of the page, specifying whether the most similar or the most different patch needs to be selected. Once the desired patches have been selected, the answer may be submitted via the button in the right lower corner.

In order to reduce visual after effects, periodically all the squares will become white and the test will pause for a few seconds, the user only needs to wait for the actual patches to reappear before going on with the test.