What is the test for a jury to return a verdict in a civil case?

There is no reason to think that this case could be better tried or that another jury is better qualified to decide it. It is important therefore that you reach a verdict if you can do so conscientiously. Therefore, if it looks at some point as if you may have difficulty in reaching a unanimous verdict and if the greater number of you agreed on a verdict, the other jurors may want to ask themselves about the basis for their feelings when a substantial number have reached a different conclusion. You should therefore ... not hesitate to reconsider your views from time to time and to change them if you are persuaded that this is appropriate. It is important that you attempt to return a verdict....

United States v. Ajiboye, 961 F.2d 892, 893 n. 1 (9th Cir.1992).