A thorough list of scientifically based assessments with descriptions and ability to complete and score. One of my favorite things about a few of these test is that they show that the spectrum isn't a continuum, but more of a web of traits that are on separate but related continua.

Feel free to share your scores to engage in discussion!

Note: A self-assessment is not sufficient to properly assess autism. These assessments can provide helpful insight, but a proper assessment includes at least a thorough interview by a licensed mental health professional that specializes in autism assessment.