Eliminating factors such as skin color, appearance, gender and accent made the Internet "more egalitarian than most classrooms," he said.

The researchers, led by Kenneth Ferraro, a professor of sociology, established controls to eliminate factors like income, age and education.

The reason for the different studies was to gradually eliminate external factors around the shot.

The study eliminated potential confounding factors such as the use of other drugs and history of drug use.

People formulating the plan may eliminate factors they perceive to lie outside the specifics of the project.

The laboratory investigation of PICT is necessary to eliminate factors other than pollution that may affect community structure.

Deterrence involves eliminating factors that may cause fraud.

The investigation, he said, eliminated other factors, like calls to the fire department, housing conditions and the number of people living together.

The effect of combat persisted even when the authors eliminated factors like age, race and education level.

But what if for some reason "eliminating perturbing or conflicting factors" is perceived as deliberately skewing experimental evidence?