Table 2.
Summary of parent-report and participant self-report questionnaires
| Phenotypic measures | Adults (TD) | Adults (ASD) | Adolescents (TD/ASD) | Children (TD/ASD) | Mild ID (ID/ASD) |
|---|---|---|---|---|---|
| Dimensional measures of ASD symptoms | |||||
| Social Responsiveness Scale-2nd Edition (SRS-2), | S | S & P | S & P | P | P |
| Children’s Social Behaviour Questionnaire (CSBQ) | - | - | P | P | P |
| Adults’ Social Behaviour Questionnaire (ASBQ) | S | S & P | - | - | P (>18 years) |
| Autism Spectrum Quotient (AQ)—adult version | S | S & P | - | - | - |
| Autism Spectrum Quotient (AQ)—adolescent version | - | - | P | - | - |
| Autism Spectrum Quotient (AQ)—child version | - | - | - | P | P |
| Repetitive Behaviour Scale-Revised (RBS-R) | - | P | P | P | P |
| Short Sensory Profile (SSP) | - | P | P | P | P |
| Psychiatric symptoms | |||||
| DSM-5 ADHD rating scale | S | S & P | P | P | P |
| Beck Anxiety Inventory | S | S | S | P | P |
| Beck Depression Inventory | S | S | S | P | P |
S self-report (completed by participant), P parent-report (completed by primary carer or parent of participant), S & P self- and parent-report administered; - not administered