A: In a scientific experiment, a confounding variable is a secondary, changing condition that muddies the experimenter's hypothesized inference between cause and effect. Researchers must be meticulous about experiment design to control for confounding variables and to protect the integrity of their findings.
Fairfax County, officially the County of Fairfax, is a county in the Commonwealth of Virginia. As of the 2010 census, the population was 1,081,726, in 2014, the population was estimated to be 1,118,883, making it the most populous jurisdiction in the Commonwealth of Virginia, with 13.6% of Virginia's population.lexandria County was returned to Virginia in 1846, reduced in size by the secession of the independent city of Alexandria in 1870, and renamed Arlington County in 1920. The Fairfax County town of Falls Church became an independent city in 1948.
Fairfax Circuit Court and Records. The Fairfax Circuit Court serves the residents of Fairfax County and Fairfax City. The Fairfax Circuit Court (19th Judicial Circuit) is the trial court of general jurisdiction and is the largest trial court in Virginia, composed of fifteen full-time trial judges.It has authority to try a full range of cases, both civil and criminal, jury and non-jury.he Fairfax Circuit Court serves the residents of Fairfax County and Fairfax City.