The guideline that would best help you to check reliability is:
Check the author's qualifications.
Reliability is the ability of a person to trust the message or information being passed by an author. A reliable author is experienced in his field and also holds the right qualifications.
So, checking the author's qualifications will be a good way to confirm reliability. The time period reliability in psychological research refers back to the consistency of research taking a look at or measuring tests.
For instance, if a person weighs themselves throughout the direction of an afternoon they might count on to peer a similar analysis. Scales that measured weight in a different way whenever might be of little use.