AADC believe that your choice of tests should be based on an informed review of all the technical evidence supporting the test’s use. To this end, Psytech are the only test publisher who makes all technical manuals available as a free download. This enables you to evaluate the merits of Psytech tests at your leisure and compare these with alternative instruments.

You are free to download any of the manuals in the list below. Please remember that they are all in the Adobe Acrobat PDF format.