[ 1 syll. jac(k), ja-ck ] The baby boy name Jack is also used as a girl name, but it is much more common for boys. Its pronunciation is JHAHK â . Jack is largely used in the English and Dutch languages, and its origin is English and Hebrew.
The control variable strongly influences experimental results, and it is held constant during the experiment in order to test the relative relationship of the dependent and independent variables. The control variable itself is not of primary interest to the experimenter.
Control Variablesâthe variables that. you control (donât change) in an experi-. ment. The control variables are all other. variables than the experimental variable. Example: If you want to know how speed affects. gas mileage, then speed is the only vari-. able that should change. The car, tires, road, wind speed need to stay the.