Answer:
Social loafing
Explanation:
Social loafing -
It is the case , when the people are in a group , and the tendency of a particular person to put on less effort , being part of the group , is known as Social loafing .
As, in a group all the members are supposed to put efforts to accomplish a particular task or goal .
Hence ,
from the question , the phenomenon of Social loafing is shown in the question .