[ 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.
Report Abuse. An input variable, a.k.a. independent is the object(s) that you put into an experiment (in-put!). The output variable a.k.a. outcome/dependent is the outcome of the experiment, and depends on the independent or input variable. The control is the object that you keep constant throughout an experiment for accurate and reliable results.