According to federal regulations, "children" are defined as: persons who are under 18 years of age. persons who have not yet attained the legal age of consent under the applicable laws in the jurisdiction in which the research was approved. persons who have not yet attained the legal age of consent under the applicable laws in the jurisdiction in which the research will be conducted. persons who are under 21 years of age.

Peggy feels sorry for smokers who have lung cancer because she believes they were duped by tobacco companies to develop a deadly addiction and are therefore not responsible for their disease. when asked to donate money to support lung cancer research, peggy gives generously. peggy’s prosocial behavior can best be explained by the arousal: cost-reward model. the negative state relief model. a norm of equity. attributions of responsibility.