Statistics: Informed Decisions Using Data (4th Edition)

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

Chapter 1 - Review - Review Exercises: 4

Answer

In observational studies, the individuals' behavior is not influenced by the reserachers.

Work Step by Step

Suppose a researcher wants to know the influence of modern technology on sleep behavior. One possibility is to observe two groups of people, one group that do not have access to the modern technology (people from poor countries, for example) and another group that do. Their behavior is not being affected by the researchers.
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