Which of the following phenomena is a reason that group efficiency declines as groups increase in size?

A) social loafing
B) rationalization
C) socialization
D) identification

Social Loafing

The phenomenon where individuals exert less effort to achieve a goal when they work in a group than when they work alone.

Group Efficiency

Refers to the effectiveness with which a group is able to achieve its objectives, often measured by the outputs or outcomes produced by the collective efforts of its members.

Rationalization

The application of economic logic to human activity; the use of formal rules and regulations in order to maximize efficiency without consideration of subjective or individual concerns.