Why is random assignment important?
A) Random assignment ensures that the groups are matched on some variable before the experiment.
B) Random assignment helps to make the groups equal on a variety of variables.
C) Random assignment ensures that each member of the population has an equal chance of being chosen to be in the experiment.
D) Random assignment increases the test-retest reliability of the experiment.

Question

Quizplus · Accepted Answer

Random assignment helps to make the groups equal on a variety of variables, reducing potential biases and confounding variables, thus increasing the internal validity of the experiment.

Why Is Random Assignment Important