Krista's father is scooping out a serving of ice cream for her. Krista wants more than what he has put in her bowl. Instead of giving her more ice cream, her father takes the ice cream from the smaller bowl and puts it in a larger one. Krista thinks her father has given her more ice cream. Piaget would say that Krista is in the . He would also say that Krista's inability to tell that putting the ice cream in a larger container doesn't mean that she is getting more ice cream shows her lack of .