Which of the Following Is True About Studies That Ask

Multiple Choice

Which of the following is true about studies that ask participant to place a hand in a tub of freezing water, which can cause some discomfort or even pain?

A) This practice is classified as a physical risk.
B) Studies using this procedure are unethical.
C) Stress and pain from this procedure is typically short term and can be an acceptable risk.
D) Studies which cause pain are always acceptable.