Which statement best describes the roles of testosterone, estrogen, vasopressin, and oxytocin in social behavior?

Which statement best describes the roles of testosterone, estrogen, vasopressin, and oxytocin in social behavior?

• A. Testosterone increases aggression; estrogen regulates receptivity; vasopressin and oxytocin influence social bonding.
• B. Testosterone increases aggression; estrogen regulates metabolism; vasopressin and oxytocin have no behavioral effects.
• C. Estrogen regulates appetite; testosterone regulates metabolism; vasopressin and oxytocin cause sleep.
• D. Vasopressin is the sole determinant of all social behaviors; testosterone and estrogen have no role.

Answer: (A)