What Did Ringelmann's Research in the 1880s Demonstrate

Multiple Choice

What did Ringelmann's research in the 1880s demonstrate?

A) People exert less effort in simple group tasks than they would if working alone.
B) The presence of other people improves performance on simple group tasks.
C) Groups tend to make more extreme decisions than individuals.
D) Individual performance is impaired by the distraction of an audience.