The ultimate responsibility for the ethical integrity of research with children lies with the a) investigator. b) institutional review board. c) child. d) child’s parents.

A) investigator.

Explanation:

The children's parents will allow or not the participation of their children in the research. Then, once they are participating in the research, the responsability lies with the investigator/the researcher who is responsible for the research.

answer; (c) the product does not cost the price shown in the advertisement; i believe this is correct; /// plz check   first good luck

true because they can bargain