Matt Wants to Conduct an Experiment on People's Perceptions of Tattoos

Multiple Choice

Matt wants to conduct an experiment on people's perceptions of tattoos. He plans to manipulate the experimental conditions by having participants receive tattoos on their arms. The tattoos will vary in size and color. An ethical review board would most likely be concerned about the:

A) size and color of the tattoo.
B) various perceptions of tattoos.
C) physical risk to the participants.
D) monetary cost of the tattoo.