Answer:
inferiority
Step-by-step explanation:
In the industry versus inferiority stage of a person they are in their childhood. They learn new things and seek approval from their peers and parents about their competence. If a child is unable to win approval then the person will develop a sense that they are inferior.
Here, Crystal has not gained approval from her father even though she is doing above average work. This would make that her ability is insignificant leading to her feeling inferior.