(٢) Sax: Ibid, pp. ٢٣-٢٤. Megumi Iijima, Osamu Arisaka, Fumie Minamoto, and Yasumasa Arai: Sex Differences in Children's Free Drawings, Hormones and Behavior, ٤٠: ٩٩-١٠٤, ٢٠٠١. Chris Boyatzis and Julie Eades: Gender Differences in Preschoolers' and Kindergartners' Artistic Production and Preference, Sex Roles, ٤١:٦٢٧-٣٨,١٩٩٩. I. Kawecki: Gender Differences in Young Children's Artwork, British Educational Research Journal, ٢٠: ٤٨٥-٩٠, ١٩٩٤. Donna Tuman: Sing a Song of Sixpence: An Examination of Sex Differences in the Subject Preference of Children's Drawings, Visual Arts Research, ٢٥: ٥١-٦٢, ١٩٩٩.