The Gale databases present reliable information to library patrons. How do you know if online information is reliable? There is a great YouTube Video at this location which explains exactly how to vet your information: https://www.youtube.com/watch?v=J_qR5lpnXBE.
Students in other schools have made videos explaining different library skills and concepts.
They can be found on YouTube. And, indeed, these few short videos stand out.