What does random assignment do?
A)It increases the variance of measurements.
B)It increases the correlation between two variables.
C)It eliminates the effects of the independent variables.
D)It determines who will be in the experimental group.

Question

What does random assignment do?​
A)It increases the variance of measurements.
B)​It increases the correlation between two variables.
C)​It eliminates the effects of the independent variables.
D)​It determines who will be in the experimental group.

Quizplus · Accepted Answer

Random assignment determines who will be in the experimental group and who will be in the control group, ensuring that both groups are similar in terms of all relevant factors except for the independent variable being studied. This helps to eliminate alternative explanations for any observed differences between the groups, increasing the internal validity of the study. A, B, and C are incorrect as they do not accurately describe the purpose of random assignment.

What Does Random Assignment Do?​

What Does Random Assignment Do?