Adam is trying to decide between an internal and external candidate for a job vacancy in his department. Which of the following would be LEAST likely to convince Adam to choose the INTERNAL candidate.

Question $2$ options:

Managers might already know the candidate$/$ know someone who can vouch $($speak for$)$ for the candidate

Applicants are already familiar with a company and may require less training

Hiring of such applicants can boost overall employee morale

Companies can get new perspectives on strategies, processes or approaches from such candidates