AOTA’s NBCOT® Exam Prep is a subscription-based product. You must have a subscription to access the site and its features. Subscriptions (providing access for 1 year) can be purchased through the AOTA Store.

Purchase OTR® Exam Prep

Purchase COTA® Exam Prep

Institutional group sales are also available. Find out more!

If you have purchased a subscription and are having trouble logging in, contact

Required Software

AOTA’s NBCOT® Exam Prep is compatible with most Web browsers on Windows and Apple operating systems. Although Exam Prep does not have an "app" for mobile devices, it is designed to be compatible with tablets.

AOTA’s NBCOT® Exam Prep has two main components: online practice tests and resource materials. The resource materials are in Adobe Acrobat (pdf) format, and users will need to have Acrobat Reader or another pdf viewer in order to read them.

Download Acrobat Reader


For general questions or other technical issues, please use the contact us form.

We invite you to contact us with your comments and feedback about the site and its features. If you have a concern about a particular practice question, be sure to include the question ID number with your inquiry.

Question ID location
Silverchair Information Systems