The following word group may be a run-on sentence (a comma splice or a fused sentence). If it is, choose the answer that corrects the run-on. If the word group is not a run-on, choose "This sentence is not a run-on."
A feeling of nervousness can make a speaker perform well, it means that the person cares about doing a
good job.

Replace the comma with a period and a capital letter OR replace the comma with a semicolon and keep the lowercase letter -- as shown below:

A feeling of nervousness can make a speaker perform well. It means that the person cares about doing a  good job.

A feeling of nervousness can make a speaker perform well; it means that the person cares about doing a  good job.

Explanation:

go to google if u want the answer