Within a second of meeting a stranger, people form judgments about how the stranger is.

The answer is personality

Explanation: The conclusion of a study by Cornell University in Ithaca, United States. It is a sociological tendency. The human being usually divides and classifies his acquaintances according to the first impressions that he has about the people in question, asserting those positive sensations, but also maintaining pre-judgments created in the first contact.

answer; i believe that the correct answer is ( rivers);