Professor partridge has 9 seven-year-old and 9 nine-year-old study a set of pictures. He then asks the participants to verbally describe as many different pictures as possible. in this experiment, the independent variable is the AGE.
An experimental variable is referred to independent variable and variable quantity is referred to dependent variable.
The difference between the dependent and independent variable is that the independent variable is not affected by any other variable,usually time.
Whereas,dependent variable totally depends upon the independent variable and changes according to the change in other variable.
