CATI
ValidatedComprehensive Autistic Trait Inventory (CATI)
Adults (18+)Self~8 min42 questions
Below is a list of statements relating to various personality traits, behaviours, and characteristics. Using the five response options select the option that best describes you. For items of a social nature, think about situations that do not involve very close friends or family members. Try not to spend too much time thinking about each choice.
Report details · optional
Shown on the report and stored with the screening record. Use initials or a code, not full names.
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About this screener — evidence, source, alternatives
A modern measure of autistic traits developed in the general population. Its six 7-item subscales cover social interactions, communication, social camouflage (masking), cognitive (in)flexibility, self-regulatory (repetitive) behaviours and sensory sensitivity. It describes a trait profile rather than giving a screening cut-off.
Evidence · validated
In general-population samples (Study 1 n = 1,119; Study 2 n = 1,068) the six-factor structure was confirmed, total-scale reliability was α = .95 with subscales α > .81, convergent validity with the AQ and BAPQ was r ≥ .79, and the CATI classified self-reported autism slightly better than the AQ or BAPQ (Youden’s index .62 vs .56–.59). The developers do not provide a clinical cut-off, so the total is reported without bands.
Free alternative to
- Social Responsiveness Scale, 2nd ed. (SRS-2) Adult · WPS
Paid autistic-trait questionnaire; the CATI is a free trait measure with a dedicated camouflage subscale.
Source & licence
English MCW, Gignac GE, Visser TAW, Whitehouse AJO, Enns JT, Maybery MT. The Comprehensive Autistic Trait Inventory (CATI): development and validation of a new measure of autistic traits in the general population. Mol Autism. 2021;12:37 (and published correction, 2021).
Licence: Free to use (developers’ statement on cati-autism.com); cite English et al. (2021)
Must be used without altering item phrasing, item order or response scales; the general format may be adapted (e.g. online). Reproduced unmodified from CATI v1.1.
Official source ↗