the variable that is most difficult to test
the test variable is the independent variable.
The control is what you're washing, amount of dirt, kind of dirt, temperature of water. The kind and amount of soap are variables, although when using the same kind in different amounts, the kind is control. The temperature of water is also control and variable depending on the test.
The type of variable that responds to the dependent variable is called the independent variable.
A variable
the variable that is most difficult to test
the test variable is the independent variable.
how do test a variable resistor
The independent variable.
The one variable that is purposely changed to test a hypothesis is manipulated variable
The independent variable.
The independent variable.
The independent variable.
The independent variable.
The independent variable.
The test variable (independent variable) controls the outcome variable (dependent variable).
The independent (or explanatory) variable is changed to test the prediction,