Statistics: Informed Decisions Using Data (4th Edition)

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

Chapter 1 - Section 1.2 - Assess Your Understanding - Vocabulary and Skill Building: 4

Answer

A designed experiment. Because only in a designed experiment, a researcher can claim causation.

Work Step by Step

In a designed experiment the researcher can control the explanatory variables. So the values measured of the response variable is more accurate than those measured in an observational study.
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