Elementary Statistics: A Step-by-Step Approach with Formula Card 9th Edition

Published by McGraw-Hill Education
ISBN 10: 0078136334
ISBN 13: 978-0-07813-633-7

Chapter 1 - The Nature of Probability and Statistics - 1-4 Experimental Design - Exercises - Page 24: 20

Answer

independent - physical contact dependent - physical effects of stress

Work Step by Step

In this study, the researchers can control whether or not there is physical contact in stressful situations, and can measure and compare the physical effects of the stress.
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