In this experiment, the amount of food given to each group is the independent variable. The independent variable is the factor that is manipulated or changed by the experimenter to observe its effect on the dependent variable, which, in this case, is the students' ability to pay attention.
A principal wants to know how eating breakfast affects students' ability to pay attention. To do this, the principal divides students up into three groups.
Group 1 receives a full breakfast with cereal, a pastry, milk, and orange juice.
Group 2 receives a bagel and a bottle of water.
Group 3 receives nothing.
In this experiment, the amount of food given to each group is the:
Responses
Independent variable
Independent variable
Dependent variable
Dependent variable
Control group
Control group
Constant
1 answer