Use the following study to answer the following question(s): A current trend among professional baseball players is to wear braided titanium necklaces. The titanium reportedly regulates the flow of energy through the body. The player wearing the necklace then shows improved strength, tires less, and recovers more quickly.Which of the following would be the strongest evidence for or against the necklace's effectiveness?
A. A bar graph illustrating the satisfaction levels of the players who wear the necklace
B. A bar graph comparing batting averages of the players who wear the official titanium necklace and those who were unknowingly wearing a fake titanium necklace
C. A bar graph comparing the percentage of players who wear the necklace with the percentage of players who do not wear the necklace
D. A scatter plot showing days on the disabled list and percentage of players who do or do not wear the necklace
Answer: B
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a. true b. false