Joanie Is an Engineer at an Architectural Firm

Joanie is an engineer at an architectural firm.She is very proud of this fact and often defines herself in terms of her work to family and friends.She is very skilled at her job and confident in that fact, but often has trouble adapting to changing job duties and environmental conditions.Although Joanie occasionally has trouble adapting to new conditions and job tasks, she believes she can do almost anything and always maintains a "can do" attitude.This is known as:

A) self-concept.
B) self-esteem.
C) self-verification.
D) self-enhancement.
E) self-efficacy.