Spotlight effect
We overestimate how much other people notice and remember us.
What it means
The tendency to overestimate the degree to which one's appearance, behavior, and blunders are noticed and scrutinized by others, as if a spotlight were trained on oneself. The bias stems from egocentrism: because our own experience is the absolute center of our attention, we fail to discount it adequately when estimating how salient we are to others, who are absorbed in their own concerns. It is rooted in anchoring on one's own vivid self-perspective and adjusting insufficiently toward the observer's far sparser attention. The effect drives social anxiety, embarrassment, and the costly avoidance of harmless but feared situations. Recognizing it can liberate people from imagined judgment.
Examples
Wearing an embarrassing T-shirt into a room, students guessed about half the group would notice; in fact only a quarter did.
You stumble over a word in a presentation and replay it all afternoon; the audience, half of them thinking about lunch, cannot recall it happening at all.
New gym members avoid the weights room, sure everyone is judging their form, while the regulars are entirely absorbed in counting their own reps in the mirror.
First described in Gilovich, Medvec & Savitsky (2000).