None of the questionnaires provided here have been copyrighted by a company and have been derived from published articles within the public domain. However, it should be stressed that the authors of these questionnaires retain intellectual ownership of their work at all times.
© Beck Depression Inventory (html)
Children's Depression Scale (html)
Depression Anxiety Stress Scale - 42 (html) (PDF - 15k)
Novaco Anger Inventory - Short Form (html) (PDF - 12k)
Obsessive-Compulsive Inventory (html)
Revised Children's Manifest Anxiety Scale (html)
Thought Crontrol Questionnaire (html) (PDF - 65k)