As part of each science lab, Mr. Arico requires his student to wash their glassware, so it is clean for the next class. He has found that the glassware is cleaner when students wash it in front of their classmates. This is best explained by

social facilitation
deindividuation
social loafing
the mere exposure effect
groupthink

The glassware is cleaner when students wash it in front of their classmates is best explained by social facilitation. Hence, option A is correct.

What is social facilitation?

Social facilitation is a psychological concept relating to the tendency for the presence of others to improve a person's performance on a task.

Social Loafing: When a person does not show much effort to achieve a goal when they work in a group than when they work alone.

Social Facilitation: When a person can do better at simple tasks when in the presence of other people.

So the first one is basically saying a person is less working when n a group of other and the second one is saying that this person can work on simple things when people are around.

Hence, the glassware is cleaner when students wash it in front of their classmates is best explained by social facilitation.

Learn more about social facilitation here:

https://brainly.com/question/46360

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