The Autism Self-Assessment Workbook

A comprehensive guide combining clinical expertise and lived experience, designed to help adults self-assess for autism and decide whether to pursue formal diagnosis.

A structured, DSM-V-based guide for adults exploring whether they may be autistic. Through detailed questionnaires and reflection, it supports self-assessment across communication, relationships, sensory differences, and strengths, with guidance on understanding results and next steps.

Have you ever wondered if you might be autistic?

With long waiting lists and rising costs for formal diagnosis, more adults than ever are turning to self-identification in order tobetter understand themselves.

This structured, evidence-informed guide offers a comprehensive self-assessment process based on DSM-V diagnostic criteria. Developed by Trevor Powell, an experienced clinical neuropsychologist andShari Lines, an expert by lived experience,it uses detailed questionnaires and reflective exercises. to help you identify behaviours in key areas, including social communication, relationships, routines, sensory sensitivities, masking, and intense interests - giving you a profile from which you can explore self-identification or formal diagnosis.

Practical, accessible, and validating, this is your clinically tested guide to making sense of your experiences, understanding your identity, and deciding what comes next.