In this experiment, you will be shown 50 pages with three images of thes same content on each page. Please read the following instructions:
- You can select from three images (by clicking the white-background buttons) and zoom in to view the detail
- Please choose the image you think is the clearest and sharpest on the page. Use the tick box to make your choice at the bottom of the page.
- Click on Next Page at the bottom of each page to go to the next page.
- We show an example page below.
- You can start the experiment by clicking Start button and enter a user name.



Choose the image you think is the clearest and the sharpest :
Image 1
Image 2
Image 3