Little boys like to play with toy cars and girls with dolls. These sexually dimorphic toy preferences extend to non-human primates. Alexander & Hines (2002) gave 44 vervet monkeys of each sex six toys to play with; two male-typical (a toy car and ball), two female-typical (a doll and pot) and two sex-neutral (a book … Continue reading Monkeys Conform to Gender Toy Preference Stereotypes Too