There will be many instances outside of the classroom when you will make decisions based on information. If you know how to evaluate information, you will be able to make better informed choices.
For example, you might rely on your friend "the movie buff" for advice about what film to see on Friday night, but would you ask him to perform an operation if he has no medical background? Probably not.
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Many of your instructors will ask you to use only credible, reliable and authoritative sources in your work.
Here are some definitions from Merriam Webster's Online Dictionary:
offering reasonable grounds for being believed.
having or proceeding from authority; clearly accurate or knowledgeable.
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(Thank you to Tacoma Community College https://tacomacc.libguides.com/c.php?g=373171&p=2523104)