If participants in an experiment have an equal probability of being assigned to the experimental or control group, this is accomplished through ______.
A) methodological narcissism
B) random assignment
C) pretests
D) posttests

Question

Quizplus · Accepted Answer

Random assignment ensures that each participant has an equal chance of being placed in any group, reducing selection bias and increasing the validity of the experiment.

If Participants in an Experiment Have an Equal Probability of Being