For all sources of information you find - and particularly those you find online:
Evaluation is about asking the right questions and using the C.R.A.A.P test of evaluation is just one way to review and assess the quality of your sources. Do your sources pass the CRAAP test? If not, find a better source!
You can use this source checklist to evaluate the relevance and authority of your sources.
We all have conscious and unconscious biases that lead us to favor information we agree and disfavor information that counters our beliefs.
Video 1 tells us what confirmation bias is and Video 2 offers steps we can take to counter our own biases.