You have designed a research study to investigate the role of caffeine in aerobic exercise performance. As you gather subjects to have them sign an informed consent, which of these items would you need to insure the subject understood?
A. Researchers will be using statistical calculations to determine the dependent variable's response to the independent variable.
B. Subjects will be cycling to the point of exhaustion.
C. The study design is double-blinded.
D. All of these are correct and must be covered in the informed consent process.
Answer: B
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