Statistics: Informed Decisions Using Data (4th Edition)

Published by Pearson
ISBN 10: 0321757270
ISBN 13: 978-0-32175-727-2

Chapter 1 - Section 1.6 - Assess Your Understanding - Applying the Concepts: 8c

Answer

It means that each experimental unit is randomly selected to a treatment.

Work Step by Step

A researcher, for example, asks each subject (experimental unit) to pick a number from 1 to 10. If the selected number is even, he/she goes to the real topiramate group. If the selected number is odd, he/she goes to control group (placebo). Thus, who ends up in what group is completely random.
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