In this experiment, the amount of food given to each group is the independent variable. This is because the independent variable is the factor that is manipulated by the researcher (in this case, the type and amount of breakfast provided) to observe its effect on the dependent variable, which is students' ability to pay attention. The control group would be Group 3, which receives nothing, allowing for a comparison against the other groups.
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
Constant
Constant
Control group
Control group
Dependent variable
Dependent variable
Independent variable
1 answer
1 answer