Originally Posted by
S3toHerk
For the COG screen, go to
http://www.lumosity.com/ for the free 30 day trial. There are 30 sessions of games that help with memory, cognative control, attention, and processing speed. The test is not the same as the one at the interview, but the practice will help you.
Perhaps it has changed recently since it now shows only 14 days free. The tests do give good feedback on weak areas such as memory though I don't know how or if they correlate to the Delta tests. Hopefully I'll find out soon.