In psychology, a first impression is the event when one person first encounters another person and forms a mental image of that person. Impression accuracy varies depending on the observer and the target(person, object, scene, etc.) being observed. Fir impressions are based on a wide range of characteristics: age, race, culture, language, gender, physical appearance, accent, posture, voice, number of people present, and time allowed to process. The first impressions individuals give to others could greatly influer how they are treated and viewed in many contexts of everyday life. Lisa Quast advised the following five tips and determine ways you can change/improve your image to project a more positive first impression.