Created by Riko Ryuki and Sally Cat.

This test includes questions relating to PDA and autism and can be used to help people better determine whether the profile of PDA and autism relate to them.

This test is developed for adults, but the questions can also be used for children. There are a number of questions, separated into two groups, the first lot are for PDA traits; and the second for traits of autism.

These questions show how likely people may be to be PDA, and how likely they are to be autistic.

Please note this test hasn’t been devised by a professional and so will not be recognised in as a diagnostic tool. However this test has been created by two adult PDAers with the help of other PDA adults, and as such, may be helpful in self-diagnosing.

The 50 PDA and 40 autism traits in this self-test are a refinement an earlier adult PDA test Riko Ryuki created in 2016. Some of those PDA traits had been gleaned from an informal PDA traits study carried out by Sally Cat in 2016 which compared the ranking of 155 potential distinct PDA traits between 90 non-PDA autistic, and a 290 PDA adult respondents (http://www.sallycatpda.co.uk/2019/06/). Autism traits were selected by Riko Ryuki from an online autism self-assement tool called the AspieQuiz (https://rdos.net/eng/Aspie-quiz.php).