You are trying to decide whether to take a test in a lecture hall where you will be surrounded by lots of other people or in a room by yourself. assuming that you have studied well for the test and find the material to be easy, you will perform best on the test in the because it will result in

classroom; social facilitation

Explanation:

Social facilitation is a term which defines how in some of the times we find it even more effective to do certain task where there are people around us, we get even more motivated to excel in that task.

This is however dependent on a type of that task, if we are more familiar with that task we will feel more encouraged in social facilitation however we may face social inhibition if we are not familiar with the task which will affect our performance.

If you have studied well for the test that means you will be familiar with the questions and you will do so much well in the classroom cause being around your classmates won't make you scared but will even encourage you to show off maybe in a good way that you have studied hard for the test.

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a is the final ! : )