Blindfolded subjects were observed to clap louder when they thought they were clapping alone than when they thought they were clapping with others. This best illustrates

a. the mere exposure effect.

b. social loafing.

c. group polarization.

d. the foot-in-the-door phenomenon.

Answer:b. social loafing.

Explanation:Social loafing refers to how individuals tend to put less effort when they know they are working in groups. This is due to the mentality that everyone in the group is working and a person feels like they don't need to put much so the person end up doing lesser than what they would have done if they were working alone.

What causes social loafing, psychologist have determined the following as the causes

- motivation the lack of motivation increases in a group because a person knows there is more people who will work even if they are the only ones who aren't working

-Diffusion of responsibility in group people don't take perpsn accountability and feel like it doesn't make any difference even if they don't contribute because others.

- Group size when the group is too large people feel like either way their contribution won't make any difference

b. social loafing.

Explanation:

Blindfolded subjects were observed to clap louder when they thought they were clapping alone than when they thought they were clapping with others. This best illustrates social loafing. As it refer to the people who apply less efforts towards a common goal.