When josie's mother tells her that she has a choice: have a friend over for dinner tonight or wait until the weekend and her friend can also stay the night. josie chooses to have her friend over for dinner tonight. according to steinberg's research on teens' ability to delay gratification josie is most likely: a) over age 18.b) in early adolescence or the mid-teens—that is, under age 16.c) in the preoperational stage of development. d) in the postconventional stage of development.