variable

Scientists do things they’ve already done, and do them over and over again, changing one tiny variable at a time.

It means changing the parameters of that test one variable at a time, trying to get from correlation to causation.

“The beauty of working in this industry is that your income is variable, so it allows you to think you have an opportunity to not be poor if you work hard enough,” Gayns said.

Sano confirmed that Echoes of Wisdom uses a variable frame rate, and that the developers felt this was the "best option" available.

Hazel Cheeseman, chief executive of Action on Smoking and Health, said access to services was variable.