Reposted the tips taken from Managerial Econ blog:
"For interviews, rate each candidate on these categories [using a 1-5 scale]:
Technical skill for the role at hand
Problem-solving (which everyone understands is a polite term for intelligence)
Communications (the candidate’s ability to communicate clearly in spoken and written English)
Teamwork (ability to get work done despite the failings of people above, below, and around them), and
Drive (motivation to do well in this particular job)."
Source: Internet