The tendency of people to perform simple or well-learned tasks better when others are present is the original meaning ofA. the social facilitation effect. B. social loafing. C. the groupthink effect. D. deindividuation.

A. the social facilitation

Explanation:

Social facilitation is the tendency to perform tasks better or faster in the presence of others. People sometimes perform better when they are in groups than they do alone. The presence of others can increase performance on many types of tasks like jogging, playing football, weight lifting, and working on mathematics and computer problems. The presence of a person influences performance.