Erika wants to become the head of the HR department. Although the role comes with a generous salary hike and will put her in charge of several subordinates, she is mainly pursuing this position because she believes she can do the job better than anyone else and wants people to know this. According to McClelland's theory of needs, which of the following needs is Erika primarily driven by in this case?
a) the need for achievement
b) the need for power
c) the need for stability
d) the need for affiliation
e) the need for security