4 Factors That Strongly Influence First Impressions, By A Psychologist

InnovationScience4 Factors That Strongly Influence First Impressions, By A PsychologistByMark Travers,Contributor.Forbes contributors publish independent expert analyses and insights. I write about relationships, personality, and everyday psychology.Follow AuthorMay 20, 2026, 06:00pm EDT--:-- / --:--This voice experience is generated by AI. Learn more.This voice experience is generated by AI. Learn more.Your first impression of someone may have less to do with them than you think. Here are the four hidden factors that really shape social judgments, according to research.gettyFor something that forms in a matter of seconds, first impressions carry disproportionate weight on our social lives. It can dictate who we trust, who we avoid, who gets hired and who gets overlooked. It even shapes whether we imagine someone to be kind, competent or dangerous before they’ve spoken a full sentence.Psychologists have long known that first impressions emerge astonishingly quickly. In some studies, people begin forming judgments about trustworthiness within just 39 milliseconds of seeing a face. However, the most pressing question that has lingered beneath that research is: Where do those impressions actually come from? Do they arise from the face we’re looking at? Or from the mind doing the looking?In a 2019 study published in the Journal of Personality and Social Psychology, researchers set out to answer precisely that. They analyzed more than 400,000 face ratings from thousands of participants, examining how people judged strangers on traits like trustworthiness, dominance and attractiveness. Their overarching goal was to disentangle how much of a first impression comes from the target versus the perceiver.In other words, they calculated exactly how much of your first impression is really about you — and, surprisingly, their findings reveal that first impressions are far less objective than most of us assume. Here are four major factors that were found to most strongly influence...