We have online mental health quizzes for a wide variety of conditions including ADHD, autism, alcohol misuse, gambling, anxiety, depression, PTSD, and more. Each test should take no longer than five minutes.
References: Birmaher, B., Khetarpal, S., Brent, D., Cully, M., Balach, L., Kaufman, J., & Neer, S. M. (1997). The Screen for Child Anxiety Related Emotional Disorders (SCARED): Scale construction and psychometric characteristics. Journal of the American Academy of Child & Adolescent Psychiatry, 36(4), 545–553