Jeff plans to conduct a small experiment with some of his friends.He writes the ten names on slips of paper and mixes them up in a bowl.He then draws the names one at a time.The first five names are assigned to the experimental group, and the last five names are assigned to the control group.In this example, Jeff's procedure illustrates:

Question

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Jeff's procedure demonstrates the use of random assignment, which is a method of assigning participants to groups in a way that each person has an equal chance of being placed in either group. This helps to control for extraneous variables and increases the internal validity of the experiment.

Jeff Plans to Conduct a Small Experiment with Some of His