1) Checkreins 2) Harnesses 3) Has 4) Helm 5) Knobs 6) Operates 7) Owns 8) Wheel 1) Dominates 2) Instrument panel 3) Manages 4) Reigns over the reins 5) Reins 6) Word with wage and price 
Input device hardware and the mapping of mechanics and other actions to the input device.
A statistical or experimental means of holding some variables constant in order to examine the causal influence of others.
normally rotary potentiometers (pots) or switches used to control electrical signals
In an RCT, controls are people in a comparison group. They receive the usual treatment (or a placebo) while the treatment group receive the treatment being tested.
A group of people or animals in a research trial that does not receive a treatment or other intervention or that is not affected by the disease being studied. This group is used as a standard to compare any changes in a group that receives treatment or has the disease. In Alzheimers research, patients often are compared with controls of the same ...