In one sentence
A large Dutch study found that a 14-item Social Identity in Autism Questionnaire (SIAQ) reliably measures four facets of autistic social identity — and that feeling positively about being autistic related to better mental health scores.
What the researchers did
Researchers evaluated a Dutch 14-item SIAQ with 1,443 autistic adults in the Netherlands (mean age about 47; 54% women; 98% Dutch). Participants also reported demographics, autism traits, and mental health. Factor analyses tested structure and reliability; measurement invariance was checked across age, gender, education, ethnicity, and autism-trait levels.
What they found
- Four factors: solidarity (connection to autistic people), satisfaction (positive feelings about being autistic), centrality (how central autism is to self), and self-definition (perceived similarity to other autistic people/community).
- Internal consistency was acceptable to excellent; scalar measurement invariance held across the tested groups.
- Higher satisfaction and lower centrality associated with better mental health.
- Age, gender, language preference, time since diagnosis, and autism traits related differently to the four factors.
What this means for families and therapists
- Supporting positive feelings about being autistic may matter for wellbeing — without forcing autism to be someone’s only identity.
- Therapists can use identity talk (connection, pride, centrality) alongside symptom checklists.
- Tools validated in one country still need local care before clinical decisions elsewhere.
- See also late identification: grief and relief and children’s experiences of masking.
Limitations and what we don't know yet
- Netherlands-heavy sample; limited ethnic and educational diversity.
- Cross-sectional — association, not proof that identity causes mental health.
- Adults only; children/adolescents not tested.
This is a plain-language summary of Assessing Social Identity in Autistic Individuals: Evaluating A Self-Report Questionnaire in the Netherlands by Krijnen L.J., Rippe R.C., Begeer S. et al., Autism (2026). Source license: CC-BY. It is not medical advice — talk to a qualified clinician before changing therapy.