Answer:
preoperational stage and lack conservation
Step-by-step explanation:
In the given case since it is mentioned that her father given her the icecream in a larger bowl from the smaller bowl and she thinks she got more icecream so she is in preoperational stage i.e. second stage of cognitive development theory. It begins when a child has an age of 2 and it would be till age 7. Also this represent the lack of conservation