Think about why this source was created. Is it biased and, if so, how does the bias impact the information presented? Sources may be created to inform, to entertain, or to persuade. Even sources created to inform may have a bias that impacts the information provided or the way it is provided. The language a source uses is just one clue to its purpose and bias. You can also check reviews and demographics about readership.
Here are some extra tips for determining why a source was created: