Which of the Following Is True About the Hollingworth's Coca-Cola

Multiple Choice

Which of the following is true about the Hollingworth's Coca-Cola study?

A) their research outcome was damaging enough to cause the company to remove caffeine from the drink
B) they used just a few subjects, and each subject was tested repeatedly, but they failed to use counterbalancing procedures
C) they used placebo controls and a double blind procedure
D) they were not allowed to publish their results unless they were favorable to Coca-Cola