Six-year-old alec correctly identifies the ken doll as still a boy when he is wearing the skirt. alec has acquired a sense of: item 12 item 12 required information watch the following video. the developmental age differences in children’s understanding of gender are demonstrated as both a four-year-old and six-year-old answer a series of questions about their knowledge of gender. both boys are shy when answering questions about gender, but correctly identify themselves as boys. the four-year-old states he knows he is a boy because “my daddy told me” and the six-year-old states he knows because he “doesn’t have long hair.” only the six-year-old demonstrates his understanding of gender constancy by correctly identifying that a male doll remains male even after the interviewer puts a skirt on the doll. six-year-old alec correctly identifies the ken doll as still a boy when he is wearing the skirt. alec has acquired a sense of: multiple choice a. gender roles. b. gender stereotypes. c. sex cleavage d. gender identity.