Checklist for Evaluating Research Sources
  Authority Is the authority in this material clear and legitimate? Is the writer qualified?
  Accuracy Can the factual information be verified by legitimate authority? Can one opinion be verified against another?
  Objectivity Is the material objective and free of advertising, bias, and hidden agendas? Is the language impartial? Is the statistical evidence credible?
  Currency Is the material updated frequently to ensure currency? Does the material reflect the most up-to-date research?
  Coverage Is the material complete, partial, or out of context? If the material is out of context, is there a path to find the source? If the material is out of copyright, has it been updated to make it more current?