The process of informational listening focuses on the ability of an individual to understand a speaker's message. It is a huge part of everyday life, and failing to understand the concept of informational listening can be very detrimental to one's quality of life and to their contribution to society. Critical listening is a form of listening that if usually not mentioned, since it involves analysis, critical thinking and judgment. Making judgments during listening is often considered as a barrier to understand a person, and there's a lot of truth in that. ... You listen, AND you evaluate.