AP BIOLOGY

Detailed explanation-1: -Independent Variable is the variable changed by the scientist. A good experiment has only ONE independent variable. As the scientist changes the independent variable, he or she makes observations about what happens and collects data. Dependent Variable is the variable you measure in the experiment.

Detailed explanation-2: -The dependent variable is the item that responds to the change of the independent variable. The dependent variable depends/changes when the independent variable is changed.

Detailed explanation-3: -Independent Variables The independent variable, also known as the experimental treatment, is the difference or change in the experimental conditions that is chosen by the scientist (the cause).

Detailed explanation-4: -The thing that is changed on purpose is called the manipulated variable. Sometimes it is also called the independent variable. In an experiment, there are many variables for a scientist to keep track of.

Detailed explanation-5: -The independent variable is the variable that will be purposely changed by the scientist to see and measure the effect (if any) it has on the dependent variable.