The Essential Difference: Men, Women and the Extreme Male Brain by Simon Baron-Cohen (2003): •ASQ or Autism Spectrum Quotient (Baron-Cohen et al. 2001b; Woodbury Smith et al. 2005) •EQ or Empathy Quotient (Baron-Cohen and Wheelwright 2004) •The Reading the Mind in the Eyes Test (Baron-Cohen et al. 2001a) •The Reading the Mind in the Voice Test (Rutherford, Baron-Cohen and Wheelwright 2002) •FQ or Friendship Questionnaire (Baron-Cohen and Wheelwright 2003) •ASDASQ or Autism Spectrum Disorders in Adults Screening Questionnaire (Nylander and Gillberg 2001).
