Identifying Independent And Dependent Variables
A researcher conducts an experiment to investigate the effect of rewards on task completion. Ten five-year-old children are asked to complete the same task and are given the same amount and brand of candy. The children are assigned to receive the candy either before, during, or after the task. The researcher then records the time it takes each child to complete the task. Which of the following statements is true regarding this experiment?
A
The time required to complete the task is the independent variable.
B
The timing of the candy reward is the dependent variable.
C
The amount of candy given is the dependent variable.
D
The age of the children is the independent variable.
E
The time required to complete the task is the dependent variable.