Answer
Placebo is the neutral treatment that has no effect on the response variable. It is presented as actual treatment to the experimental units.
Work Step by Step
Explained above.
Statistics: Informed Decisions Using Data (4th Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0321757270
ISBN 13:
978-0-32175-727-2
Chapter 1 - Section 1.6 - Assess Your Understanding - Vocabulary and Skill Building - Page 52: 1e
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