Table 2. A summary of the psychological evidence for the Extreme Male Brain (EMB) theory (see Text S1 for a fuller discussion).
| Psychological Measure | Autism>Male>Female | Female>Male>Autism | Key References |
| Adolescent AQ | ✓ | [120] | |
| Adult Autism Spectrum Quotient (AQ) | ✓ | [104],[121]–[124] | |
| Adult Systemizing Quotient (SQ) | ✓ | [16] | |
| Child AQ | ✓ | [125] | |
| Child SQ | ✓ | [126] | |
| Childhood Autism Spectrum Test (CAST) | ✓ | [127]–[130] | |
| Embedded Figures Test | ✓ | [131],[132] | |
| Intuitive Physics Test | ✓ | [133],[134] | |
| Social Responsiveness Scale | ✓ | [135],[136] | |
| Quantitative Checklist for Autism in Toddlers (Q-CHAT) | ✓ | [137] | |
| Adult Empathy Quotient (EQ) | ✓ | [15] | |
| Child EQ | ✓ | [126] | |
| Faux Pas Test | ✓ | [138] | |
| Friendship and Relationship Questionnaire (FQ) | ✓ | [139] | |
| Reading the Mind in the Eyes | ✓ | [140] | |
| Social Stories Questionnaire (SSQ) | ✓ | [133] |