The document discusses impression management and various biases that can occur in perception. It defines impression management as an attempt to control how others perceive you. People are more likely to engage in impression management tactics when interacting with those who have power over them. The document also discusses primacy effects, where first impressions strongly influence later perceptions, and salience effects, where noticeable traits cause people to stand out and be stereotyped. It outlines several biases that can occur in perception, such as the halo effect and self-fulfilling prophecies.