Study 1: A study of 300 high school students was done. Half of them were instructed to drink soda every day. The other half was instructed to not drink soda at all. After one month, the half that were drinking soda had gained an average of five pounds more than the half that did not drink soda. e. How could this study be changed to make it a double-blind study?
Study 1: A study of 300 high school students was done. Half of them were instructed to drink soda every day. The other half was instructed to not drink soda at all. After one month, the half that were drinking soda had gained an average of five pounds more than the half that did not drink soda. e. How could this study be changed to make it a double-blind study?
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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Question
Study 1: A study of 300 high school
students was done. Half of them were
instructed to drink soda every day. The
other half was instructed to not drink soda
at all. After one month, the half that were
drinking soda had gained an average of five
pounds more than the half that did not
drink soda.
e. How could this study be changed to
make it a double-blind study?
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Is there a control group and experimental group?
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