Four-Year-Old Janet Took Part in a Research Study on the Effects

Four-year-old Janet took part in a research study on the effects of fruit juice consumption on obesity in children. When the study was published in a research journal, Janet's name appeared in the article. What guideline of ethical research involving children was violated?

A) Parental participation must be obtained.
B) Identities of children must remain confidential.
C) Children and parents must be informed of the purposes of the research.
D) The researchers must receive proper approval for conducting the study.