Key points are not available for this paper at this time.
Marsha Weinraub, Lynda Pritchard Clemens, Alan Sockloff, Teresa Ethridge, Edward Gracely, Barbara Myers, The Development of Sex Role Stereotypes in the Third Year: Relationships to Gender Labeling, Gender Identity, Sex-Types Toy Preference, and Family Characteristics, Child Development, Vol. 55, No. 4 (Aug., 1984), pp. 1493-1503
Weinraub et al. (Wed,) studied this question.