[Kahan (OP)]

Participants are needed for an online visual perception experiment. The experiment takes 15 minutes or less to complete. You will see your data along with an explanation when finished.

Thanks for your help!![]

To participate go to this URL and follow the instructions...
newbielink:http://abacus.bates.edu/~tkahan/Masking/ [nonactive]

[JoeScience]

I almost quit before the end but I wanted to read the description.  Nice description; I figured most, but not all, of it out on my own... Will you collect enough data online??... [8] "Reply hazy, ask again later"... Oh well I tried to ask, Damn 8-ball!

[tweener]

I tried but the link timed out.  Maybe some other time.

----
John - The Eternal Pessimist.