TRAAP is a simple acronym that can be used as a tool for evaluating information and determining if you're heading toward a research trap. Each letter in TRAAP represents a criteria by which to measure the reliability and appropriateness of sources.
Timeliness: The currency of the information
Relevance: The information meets your assignment needs
Authority: The source of the information
Accuracy: The reliability and correctness of the information
Purpose: The reason the information exists