It's also possible that other states would have shown large gains too, had they agreed to do extra testing, but they would be buried among the national data. (educationbythenumbers.org)
We had the driver take a few extra test runs, just in case. (digitaltrends.com)
Extra testing often means people notice something that prompts follow - up tests and potentially treatment, even when there is nothing wrong with them. (businessinsider.com)