R.A.V.E.N

Reputation:
How reliable is the source or person that is providing the information.

Ability to Perceive:
A source using the five sense to assess an event or situation.

Vested Interest:
Personal interest leading to the expectation of personal gain from a favorable outcome.

Expertise:
Skills, experience and training that give someone specialist knowledge and judgment.

Neutrality:
Not being bias.