Before you evaluate the content of the sources, evaluate the information.

bibliographic

worthy

primary

secondary

bibliographic

Explanation:

By knowing the bibliographic information, you can tell if the source is trustworthy. Or at least, you can be a little more certain of if it is worth to spend your time considering the content of something since the bibliographic information will tell you where the information came from, who wrote it, when, and many other things that might be very relevant to the context.

every four years the american people choose a new president, and 1988 is one of those years."