Matt wants to conduct an experiment on people's perceptions of tattoos. He plans to manipulate the experimental conditions by making participants  get tattoos of varying size and color on their arms. An  ethics review board would most likely be concerned about the

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

Answer: C

Psychology

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Each time Edna talked out in class, her teacher immediately came over and gave her a hug. As a result, Edna no longer talks out in class. By definition, the hug is a ______ because the behavior it follows has _____ in frequency.

Fill in the blank(s) with the appropriate word(s).

Psychology

Describe Sternberg's three components of love

What will be an ideal response?

Psychology