Relevance refers to the statement that are not connected to the topic at hand.

Relevance is the same as truthfulness.

A material is valid if it came from credible source.

To determine the truthfulness, you must also analyze if it comes from a reliable source, proven through a research of experts from the field, and if it discusses facts.

Do a quick search of the author to verify if its real and credible.

Do not check your biases.

You need to read beyond the news headlines.

To check the source of news, you need to investigate the site, its mission and its contact information.

Ask a librarian or consult a fact-checking site to determine the relevance and truthfulness of the material viewed.