Consistent with the social facilitation effect, Michaels and his colleagues (1982) found that when good pool players were observed, they did than when they did not know they were being observed.

better

Explanation:

Social facilitation can be defined as the tendency that one perform better on tasks in the presence of others than when alone.

The research carried out by Michael et al in 1982 proved the effect of social facilitation.

It found out that when good pool players were observed, they did better than when they did not know they were being observed.

Social facilitation can be used to help one perform better or give a better output on a given job or project.

answer; the population in brazil is very diverse there are many races and ethnic groups