Which of the Following Represents a Potential Challenge of Recruiting

Which of the following represents a potential challenge of recruiting children in research studies in terms of obtaining parental consent?

A) Children commonly do not want to participate in research studies.
B) Parents from lower socioeconomic backgrounds may be less likely to return parental consent forms
C) Parents from all socioeconomic backgrounds are uncomfortable having their children participate in research and may not provide consent.
D) It is difficult to obtain research funding for conducting research with children as this represents a politically sensitive population.